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18K Gold Onyx Rings

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18ct Yellow Gold, Diamond and Hand Carved Onyx Daisy Flower Ring
By Tessa Packard
Located in London, GB
18ct yellow gold, diamond and hand-carved onyx ring Edition 1/2 Hallmarked UK Size N/O Inspired by the daisy, this beautifully hand-crafted ring is the perfect every-day accessory. ...
Category

21st Century and Contemporary British Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Onyx, 18k Gold, Yellow Gold, Gold

Parrot Cocktail ring Diamond Turquoise Ruby Onyx Design by Ella Gafter
By Ella Gafter
Located in New York, NY
The parrot ring with diamonds, turquoise and onyx features a sophisticated design in 18 carat white gold with a yellow gold beak. The total weight of round diamonds of top quality is...
Category

21st Century and Contemporary Italian Artist Cocktail Rings

Materials

White Diamond, Onyx, Ruby, Turquoise, 18k Gold, White Gold, Yellow Gold

18 Karat Yellow Gold Onyx and Diamond Ring
Located in New York, NY
Metal: 18k Yellow Gold Ring Size: 6.5 Gemstone: Black Onyx, Diamond Diamond Weight: 0.75 CT CSR1387
Category

2010s American Cocktail Rings

Materials

Diamond, Onyx, 18k Gold

Diamonds Inlaid into Special Cut Onxy Ring
Located in Beverly Hills, CA
From our signature Bhansali One collection, this ring features clusters of G,VS diamonds (0.12 ct ) inlaid into special cut onyx ( 2.70cts ) and set in 18kt gold. Bhansali ONE dress...
Category

2010s Fashion Rings

Materials

Diamond, Onyx, 18k Gold, White Gold

TERRE Chevalière Ring in 18k Yellow Gold Distressed Silver by Elie Top
By Elie Top
Located in Paris, France
Yellow gold and distressed silver ring. Rotating medallion: on the gold side are engraved Earth signs (Virgo, Capricorn, Taurus) and on the onyx, a lion. Details: Onyx 18k Yellow ...
Category

21st Century and Contemporary French Neoclassical More Rings

Materials

Diamond, Onyx, 18k Gold, Silver, Yellow Gold

18K White Gold 1.25ct Onyx, Ruby and Diamond Ring
Located in New York, NY
Art Deco at its best, using French calibre cut Precious Gemstones. New World Technology meets Old World Styles! Material: 18k White Gold Hallmark: 18K JH Ring Size: 6.5 Metal Finis...
Category

21st Century and Contemporary Unknown Modern More Rings

Materials

Diamond, Onyx, Ruby, 18k Gold

Cartier Panthere De 18 Karat White Gold Ring, Emeralds Onyx Diamonds
By Cartier
Located in New York, NY
A beautiful Panthere de ring from Cartier, made in 18K white gold, set with 545 brilliant-cut diamonds (1.47 carats), emeralds and onyx. REF: N4722400 This item will come with a bo...
Category

21st Century and Contemporary French Cocktail Rings

Materials

Diamond, Emerald, Onyx, 18k Gold, White Gold

Scaphandre Ring Onyx by Elie Top
By Elie Top
Located in Paris, France
Gold and patinated silver ring. Yellow gold sphere rotating on a distressed silver structure bound by gold links and opening on a onyx globe itself surounded by a white gold satellit...
Category

21st Century and Contemporary French Neoclassical More Rings

Materials

Diamond, Onyx, 18k Gold, Silver

South Sea Pearl 19.5mm Diamond Onyx Cocktail Ring Design by Ella Gafter
By Ella Gafter
Located in New York, NY
The South Sea pearl and diamond cocktail ring features an exceptionally large and beautiful Australian pearl of the rare dimension of 19.5mm diameter. The pearl is untreated. It disp...
Category

21st Century and Contemporary Italian Artist Cocktail Rings

Materials

White Diamond, Onyx, South Sea Pearl, Diamond, Pearl, 18k Gold, White Gold

Art Deco 1930s Onyx and Diamond Unique Engagement Ring
Located in Antwerp, BE
The sober composition of this 18K white gold Art Deco ring from 1930 assures its contemporary allure to last through any era as the brilliance of the 0.65 carat old European cut diam...
Category

Vintage 1930s Belgian Art Deco Engagement Rings

Materials

Diamond, White Diamond, Onyx, Gold, 18k Gold, White Gold

South Sea Pearl Onyx Diamond Ring Design by Ella Gafter
By Ella Gafter
Located in New York, NY
The South Sea pearl and diamond cocktail ring features a pearl of 17mm diameter. The pearl is untreated. It displays a fine nacre and its natural color and luster have not been enhan...
Category

21st Century and Contemporary Italian Artist Cocktail Rings

Materials

White Diamond, Onyx, South Sea Pearl, Diamond, 18k Gold, White Gold

Cartier Panthère de Ring 18 Karat Yellow Gold, Lacquer, Tsavorite Garnet, Onyx
By Cartier
Located in New York, NY
This incredible panther ring is the favorite of the Cartier brand, this prestigious brand chose the panther to be its representative animal. This ring is made in 18K yellow gold and ...
Category

2010s French Cocktail Rings

Materials

Garnet, Onyx, Tsavorite, 18k Gold, Yellow Gold

18 Karat White Gold, Black and White Diamond and Onyx Carioca Ring
By BARE Fine Jewelry
Located in Antwerp, BE
A collection inspired by the city of Rio de Janeiro. The CARIOCA Collection exudes natural style, roused by the brazilian State of Mind. The CARIOCA ring is handmade using 18kt White...
Category

21st Century and Contemporary Belgian Contemporary Fashion Rings

Materials

White Diamond, Black Diamond, Onyx, 18k Gold

Claris-A Modern Onyx and Diamond Midnight White Gold Ring
By Claris-A
Located in Monte Carlo, MC
This cocktail ring in 18K white gold features a bold sculptural design built around a carved onyx disc. The onyx is polished into a smooth, curved form with a striking 30 mm diameter...
Category

2010s Italian Contemporary Cocktail Rings

Materials

Chalcedony, Diamond, Onyx, 18k Gold, White Gold

18.5mm Pearl Onyx Diamond Cocktail Ring White Gold Design by Ella Gafter
By Ella Gafter
Located in New York, NY
The pearl and diamond cocktail ring features a voluminous South Sea pearl of 18.5mm diameter. The pearl is untreated. It displays a fine nacre and its natural color and luster have n...
Category

21st Century and Contemporary Italian Artist Cocktail Rings

Materials

White Diamond, South Sea Pearl, Onyx, Diamond, Pearl, 18k Gold, White Gold

Ring Anne Bourat Aventurine Onyx Sapphires 11 Grams Pink Gold 18K Metric 54
Located in Paris, Île de France
Her name is "The Quartet". Collection "Delicious" by Anne Bourat : One ball of orange Aventurine and 3 balls of onyx with around 21 pastel sapphires on a pink gold 18k mount. It is a...
Category

21st Century and Contemporary French Contemporary Cocktail Rings

Materials

Onyx, 18k Gold

Piaget 18 Karat White Gold Possession Eccentric Movable Ring with Diamond, Onyx
By Piaget
Located in New York, NY
Piaget 18K White Gold Possession Eccentric Movable Ring with Diamond, Onyx Size: US Size 7.25 EU Size 55 Metal: White Gold Item comes with an original box and paper Stock number: NY...
Category

2010s Fashion Rings

Materials

Diamond, Onyx, 18k Gold, White Gold

Diamond Panther Ring 18 Karat White Gold with Green Eyes Animal Statement Ring
By Orostar
Located in New York, NY
The panther is symbol of fierceness, playfulness and lovableness. Get noticed with this beautiful panther ring crafted with 5.90 carats of white diamonds. Eyes are green tsavorite st...
Category

21st Century and Contemporary American Contemporary Cocktail Rings

Materials

White Diamond, Onyx, Tanzanite, 18k Gold, White Gold

18 Karat Pink Gold, Black and White Diamond and Onyx Carioca Ring
By BARE Fine Jewelry
Located in Antwerp, BE
A collection inspired by the city of Rio de Janeiro. The CARIOCA Collection exudes natural style, roused by the brazilian State of Mind. The CARIOCA ring is handmade using 18kt Pink ...
Category

21st Century and Contemporary Belgian Contemporary Fashion Rings

Materials

White Diamond, Black Diamond, Onyx, 18k Gold

Cartier Panthere Pave Diamond Emerald Onyx 18 Karat White Gold Ring
By Cartier
Located in New York, NY
Cartier 18K white gold pave diamonds ring from PANTHERE DE CARTIER collection. The ring set with brilliant-cut diamonds, emerald eyes, and an onyx nose. Item will come with an orig...
Category

21st Century and Contemporary French Cocktail Rings

Materials

Diamond, Emerald, Onyx, 18k Gold, White Gold

Italian Pink Coral Black Onyx Diamond White Gold Ring
Located in Cosenza, Italia
C. 1990 Pink Coral and Black Onyx Ring With 0.90 ct. t.w. Diamonds in 18kt White Gold Stylish and appropriate to wear for any occasion.
Category

Late 20th Century Italian Contemporary Cocktail Rings

Materials

Coral, Diamond, Onyx, 18k Gold, White Gold

Fish Ring Diamond Pearl Onyx Design by Ella Gafter
By Ella Gafter
Located in New York, NY
The fish ring with diamonds features a fish holding a South Sea pearl of 11.5mm diameter in its mouth. The pearl is untreated. It displays a fine nacre and its natural color and lus...
Category

21st Century and Contemporary Italian Artist Cocktail Rings

Materials

White Diamond, Onyx, South Sea Pearl, Blue Sapphire, Diamond, Pearl, 18k...

South Sea Pearl Diamond Onyx Ring Déco Design by Ella Gafter
By Ella Gafter
Located in New York, NY
The South Sea pearl and diamond cocktail ring features a large and lovely Australian pearl of 17mm diameter. The pearl is untreated. It displays fine quality nacre and its natural co...
Category

21st Century and Contemporary Italian Artist Cocktail Rings

Materials

White Diamond, Onyx, South Sea Pearl, Diamond, Pearl, 18k Gold, White Gold

Alessa Onyx Lasso Ring 18 Karat White Gold Amara Collection
By Alessa
Located in London, GB
The ethos behind this striking collection lies in the empowerment of women, the unleashing of their super powers. Amara is better known as the eternally strong and beautiful. Inspire...
Category

2010s American Contemporary Fashion Rings

Materials

White Diamond, Onyx, Gold, 18k Gold, White Gold

Round Carved Jade Ring with Diamonds and Green Onyx
By Artisan NYC
Located in New York, NY
Pretty and flowery designed this Round Carved Jade Ring with Diamonds and Emeralds around is such a delight. Ring Size: 6.5 ( can be sized ) 18k: 4.31g Diamond: 2.93ct Slv:11.46gm ...
Category

21st Century and Contemporary Indian Art Nouveau Cocktail Rings

Materials

Onyx, Jade, Diamond, 18k Gold, Silver

White Gold Art Deco Style Diamond Onyx Cocktail Ring
Located in Findikli, Beyoglu
White Gold Art Deco Style Diamond Onyx Coktail Ring 1.22 Carat Diamond 5 Carat Black Onyx
Category

2010s Turkish Art Deco Fashion Rings

Materials

Diamond, Onyx, 18k Gold, White Gold

Cartier Ring, Claws Collection, Onyx and Diamonds
By Cartier
Located in Paris, IDF
A 750/000 white gold Cartier ring "Claws" collection, made with brilliant cut diamonds and six onyx claws. Finger size : 5.5 can be slightly sized. Retail price : $23.500
Category

1990s French Contemporary Fashion Rings

Materials

White Diamond, Onyx, 18k Gold

White Gold Diamond Pave Pyramid and Onyx Unisex Ring
Located in La Neuveville, Berne
This chic and stylish ring features a pyramid shaped of dazzling diamonds set in pavé and surrounded by large onyx ribbed to create a class and contemporary design. Ring Details : ...
Category

21st Century and Contemporary Swiss Contemporary Cocktail Rings

Materials

Diamond, White Diamond, Onyx, 18k Gold, White Gold

18 Karat Gold Two-Tone Art Deco Inspired Dark Sapphire, Onyx and Diamond Ring
Located in Bangkok, TH
This beautiful Art Deco Cocktail Ring features an 1.90 carat Cabochon Dark Sapphire and re-cut onyx of 0.16 carat. The ring features beautiful filigree and mill-grain detailing furth...
Category

21st Century and Contemporary Thai Art Deco Cocktail Rings

Materials

Diamond, Onyx, Blue Sapphire, 18k Gold

Cartier Panthère de Ring, Yellow Gold, Diamonds, Emeralds, Onyx
By Cartier
Located in New York, NY
Panthère de Cartier ring in 18K yellow gold, set with 137 brilliant-cut diamonds totaling 1.15 carats. Emeralds, onyx. This item will come with an original box and warranty Size EU5...
Category

2010s French Band Rings

Materials

Diamond, Emerald, Onyx, 18k Gold, Yellow Gold

18 Karat Yellow Gold Ring with Black Onyx and Diamonds
Located in Chicago, IL
18K yellow gold ring with domed black onyx in the center and on the sides 12 prong set full cut round diamonds weighing .43cts, G-H color, VS clarity Ring size 6.5, may be sized Last...
Category

1990s American Contemporary Cocktail Rings

Materials

Diamond, Onyx, 18k Gold

Panthère de Cartier Ring 18 Karat Gold with Pave Diamonds, Emeralds, and Onyx
By Cartier
Located in Los Angeles, CA
Timeless diamond, emerald, onyx and 18K white gold ring from the "Panthere" collection by Cartier. It features high grade round brilliant cut diamonds throughout the head and mane of...
Category

21st Century and Contemporary French Contemporary More Rings

Materials

White Diamond, Emerald, Onyx, 18k Gold, White Gold

Modernist Design Inlay 18 Karat Ring
Located in Lambertville, NJ
Bold design 18kt. yellow gold brushed top jigsaw puzzle ring. The ring is set with a piece of onyx and chrysoprase that fit snuggly together. The ring fits as a 7 1/2 with the sizi...
Category

Vintage 1970s Unknown Modernist Dome Rings

Materials

Chrysophrase, Onyx, 18k Gold

Picchiotti Diamond and Onyx Ring 18 Karat White Gold 1.09 Carat
By Picchiotti
Located in Houston, TX
This Picchiotti ring has 1.09 ct. of round diamonds and black onyx held in an 18k white gold setting. It was made by Picchiotti in Italy. The ring is a size 7. This estate piece was ...
Category

Early 2000s Italian Fashion Rings

Materials

Diamond, Onyx, 18k Gold, White Gold

French Antique Baroque Pearl Silver 18 Karat Yellow Gold Aesop Fable Stork Ring
Located in Antwerp, BE
This French 18K yellow gold and silver Victorian object d'art is a depiction of substance in many ways. With its wide gold outlined wings, crest and tail, the silver downy stork triu...
Category

Antique 19th Century French Victorian Fashion Rings

Materials

Natural Pearl, Onyx, Pearl, Turquoise, 18k Gold, Silver, Gold, Yellow Gold

Art Deco Onyx Diamond 1.32 Carat Gatsby Platinum Ring, circa 1920
Located in Perth, AU
Stunning Art Deco Onyx and Diamond Ring in 18ct Gold and Platinum set with 5 graduated old european cut diamonds of 0.05ct, 0.08ct, 0.15ct, 0.10ct, 0.04ct and 6 old cut diamonds on e...
Category

Vintage 1920s British Art Deco Cocktail Rings

Materials

Diamond, Onyx, 18k Gold, Platinum

Art Deco Onyx Diamond 1.32 Carat Gatsby Platinum Ring, circa 1920
Located in Perth, AU
Stunning Art Deco Onyx and Diamond Ring in 18ct Gold and Platinum set with 5 graduated old european cut diamonds of 0.05ct, 0.08ct, 0.15ct, 0.10ct, 0.04ct and 6 old cut diamonds on e...
Category

Vintage 1920s British Art Deco Cocktail Rings

Materials

Diamond, Onyx, 18k Gold, Platinum

Ruby Diamond Black Jade Gold Ring
Located in New York, NY
A bold and beautiful cocktail ring centered with a large near-round carved ruby weighing an estimated 17.61 carats, clustered with concentric rings of channel-set rectangular shape r...
Category

Mid-20th Century Unknown Art Deco Cocktail Rings

Materials

Moonstone, Onyx, Ruby, White Diamond, 18k Gold, White Gold

Luminous Large Ring in Lapis, Malachite, Mother-of-Pearl, Onyx and Diamonds
Located in Paramus, NJ
A Mother of Pearl marquise in a halo of Diamonds radiates with tapered baguettes of Malachite, Lapis and Onyx. Setting is 18k White Gold. Each piece of jewelry is handmade to ord...
Category

2010s Indian Art Deco Cocktail Rings

Materials

Diamond, Lapis Lazuli, Malachite, Onyx, 18k Gold, Yellow Gold

Elie Top Diamond Onyx Gold Seal Secret Cosmogony Earth Ring
By Elie Top
Located in Paris, FR
Bague Sceau Terre Or Onyx Diamants Ring rail in patinated silver, adorned with gold coats of arms, pierced with motifs representing the seasons on the large ones and tarot colours o...
Category

2010s French Neoclassical More Rings

Materials

Diamond, Onyx, 18k Gold, Silver

David Yurman Diamond and Black Onyx Two-Tone 18 Karat Gold Sterling Cable Ring
By David Yurman
Located in Aliso Viejo, CA
Contemporary David Yurman ring features a round polished black onyx stone, bar-set in 18 karat gold, flanked on both sides with (44) round brilliant pave set diamonds on a sterling s...
Category

Early 2000s Unknown Contemporary Band Rings

Materials

White Diamond, Onyx, 18k Gold, Sterling Silver

Victorian 18 Karat Black Onyx Ring with Diamond
Located in Aliso Viejo, CA
18 karat white gold, Victorian ring with a center round diamond. The diamond is a European-cut 2.50 millimeter stone weighing approximately .06 carat. Size 2- 3/4 GIA Gemologist Ins...
Category

Early 20th Century Unknown Edwardian Fashion Rings

Materials

Onyx, 18k Gold

Circa 1920 Art Deco Onyx Diamond 1.32 Carat Gatsby Platinum Ring
Located in Perth, AU
Stunning Art Deco Onyx and Diamond Ring in 18ct Gold and Platinum set with 5 graduated old european cut diamonds of 0.05ct, 0.08ct, 0.15ct, 0.10ct, 0.04ct and 6 old cut diamonds on e...
Category

Vintage 1920s British Art Deco Cocktail Rings

Materials

Diamond, Onyx, 18k Gold, Platinum

Enamel 18 Karat Snake, Carnelian Black Onyx Head with Ruby Eyes, Contemporary
Located in Aliso Viejo, CA
Enamel, 18 karat snake ring with distinguished white enamel contrasting colors upon this beautiful ring. The top head of the snake is a Carnelian Black Onyx which is a white color ab...
Category

Late 20th Century Unknown Contemporary Fashion Rings

Materials

Carnelian, Onyx, 18k Gold

18 Karat Yellow Gold and Matte Finish Black Onyx Diamond Cocktail Ring
By Tal Barkel
Located in Scottsdale, AZ
This 18K Yellow gold diamond cocktail ring features a 30.00 carat black onyx with a wonderful matte finish. A fleur de lis made up of champagne diamonds rests at the center of the bl...
Category

2010s Contemporary Cocktail Rings

Materials

Diamond, Onyx, 18k Gold

Youmna Fine Jewellery 18 Karat White Gold with Onyx, Agate, Diamonds Capri Ring
By Youmna Fine Jewellery
Located in Hong Kong, HK
Metal: 18K White Gold Precious Stones: Onyx, Agate, Diamonds (approximately 1.5ct, 14 rose cut diamonds) Ring Size: available in standard US Ring sizes Please allow for slight varia...
Category

2010s Modern Cocktail Rings

Materials

Agate, Diamond, Onyx, 18k Gold, White Gold

Panthère de Cartier Black Onyx, Peridot, Black Lacquer 18 Karat Yellow Ring
By Cartier
Located in Miami, FL
Set in 18k Yellow Gold, this Cartier ring from the Panther collection is a MUST. With Onyx and Peridot stones, the ring weighs a total of 63.0 grams and is a size 55 in euro sizes an...
Category

21st Century and Contemporary More Rings

Materials

Onyx, Peridot, 18k Gold, Yellow Gold

Empire Onyx Cameo and Rose Cut Diamond Ring
Located in Poitiers, FR
18 carat yellow gold ring, eagle head hallmark. A splendid ring created by our jewellery house featuring an authentic Empire cameo. This onyx ring has a central cameo of the head an...
Category

Antique Early 19th Century French Empire Bridal Rings

Materials

Diamond, Onyx, White Diamond, 18k Gold, Gold, Yellow Gold

Original Art Deco White Gold, Onyx and Old Cushion Cut Diamond Ring
Located in Melbourne, AU
ne, Art Deco, 18ct white gold, onyx and old cushion cut Diamond ring. Featuring, one old cushion cut Diamond, grain set in a millegrained hexagonal bezel which is inset in a rectangu...
Category

Vintage 1920s Unknown Art Deco Engagement Rings

Materials

Diamond, Onyx, 18k Gold

Vintage Diamond Onyx Salmon Coral Ring
Located in Napoli, IT
Stunning late Art Deco design expressing in full the strong character of the era A play of geometric lines between the round shape of the main Coral bordered by Black Onyx and Diamon...
Category

Vintage 1930s Art Deco More Rings

Materials

Coral, Diamond, Onyx, 18k Gold

Claris-A Modern White Onyx Diamond Gold Moonlight Ring
By Claris-A
Located in Monte Carlo, MC
This minimalist ring is crafted in 18K yellow gold and features a round concave disc of white chalcedony, precisely set within a polished frame. The bold geometry and refined craftsm...
Category

21st Century and Contemporary Modern Fashion Rings

Materials

Chalcedony, Onyx, Diamond, 18k Gold, Yellow Gold, Gold

Bold Onyx Gold Ribbed Ring
Located in New York, NY
This is that one big bold Ring to wear as a signature piece. Half Black ribbed half Striated Yellow Gold. Noticeable and impressive. Size 7 - but can be sized.
Category

Vintage 1950s American Dome Rings

Materials

Onyx, 18k Gold, Yellow Gold

Buccellati "Opera" Collection Black Onyx Rose Gold Ring
By Buccellati
Located in Naples, FL
This Classic Styled Buccellati Ring Is 18K Rose Gold With A Black Onyx Logo Element Placed Delicately In The Center Of Beautifully Carved Rose Gold, Weighing A Total Carat Weight Of ...
Category

2010s Fashion Rings

Materials

Onyx, 18k Gold, Rose Gold

Art Deco Onyx Diamond Gatsby Ring 1.32 Carat
Located in Perth, AU
Stunning Art Deco Onyx and Diamond Ring in 18ct Gold and Platinum set with 5 graduated old european cut diamonds of 0.05ct, 0.08ct, 0.15ct, 0.10ct, 0.04ct and 6 old cut diamonds on e...
Category

Vintage 1920s British Art Deco Cocktail Rings

Materials

Diamond, Onyx, 18k Gold, Platinum

Mauboussin Diamond and Onyx Dream and Love Gold Ring
By Mauboussin
Located in ALTRINCHAM, GB
Mauboussin, Paris "Dream and Love" Ring in 18ct gold,  set with diamonds and onyx;  this triangular ring from the iconic Parisian jewellery house has diamond set double shoulders wit...
Category

1990s Cluster Rings

Materials

Diamond, Onyx, 18k Gold

Chaumet 1970s Interchangeable Coral and Onyx Gold Ring
By Chaumet
Located in London, GB
Chaumet's 1970s Ring in 18 carats'Gold with an interchangable baby skine coral and onyx pyramid . -Coral baby skin pyramid. -Onyx pyramid. -Signature:CHAUMET PARIS. -Ring Size:Metric...
Category

Vintage 1970s French Cocktail Rings

Materials

Coral, Onyx, 18k Gold

Onyx Diamond Gold Bombe Cocktail Ring
Located in New York, NY
High style 18kt Yellow Gold Ring with pave set Diamond sides set in Platinum and polished Black Onyx Body. Super sophisticated. Size 6.5
Category

Vintage 1960s American Modernist Cocktail Rings

Materials

Diamond, Onyx, 18k Gold, Platinum, Yellow Gold

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18K Gold Onyx Rings For Sale on 1stDibs

Browse a vast assortment of 18k gold onyx rings for sale on 1stDibs. Our collection of these items for sale includes 772 vintage editions and 551 modern creations to choose from as well. Our collection is diverse and broad-ranging, and pieces in stock date back to the 18th Century while others were produced as recently as the 21st Century. The designs in our inventory of 18k gold onyx rings bearing Contemporary or Modern hallmarks are very popular. Many examples in our inventory of these items are appealing no matter their origins, but Cartier, Van Cleef Arpels and Bulgari produced popular versions that are worth a look. Today, if you’re looking for round cut 18k gold onyx rings and are unable to find the perfect match, our selection also includes brilliant cut and cabochon alternatives. If you’re browsing the variety of 18k gold onyx rings for sale, you’ll find that many are available today for women, but there are still pieces to choose from for men.

How Much are 18K Gold Onyx Rings?

Prices for 18k gold onyx rings can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $382 and can go as high as $135,106, while 18k gold onyx rings, on average, fetch $4,203.

Why Gold Shines in Jewelry Craftsmanship

Gold is the feel-good metal, the serotonin of jewelry. Wear vintage and antique gold necklaces, watches, gold bracelets or gold rings and you feel happy, you feel dressed, you feel, well, yourself. 

Gold, especially yellow gold, with its rich patina and ancient pedigree going back thousands of years, is the steady standby, the well-mannered metal of choice. Any discussion of this lustrous metal comes down to a basic truth: Gold is elementary, my dear. Gold jewelry that couples the mystique of the metal with superb design and craftsmanship achieves the status of an enduring classic. Many luxury houses have given us some of our most treasured and lasting examples of gold jewelry over the years.

Since its founding, in 1837, Tiffany Co. has built its reputation on its company jewelry as well as its coterie of boutique designers, which has included Jean Schlumberger, Donald Claflin, Angela Cummings and Elsa Peretti. There are numerous gold Tiffany classics worth citing. Some are accented with gemstones, but all stand out for their design and the workmanship displayed.

For the woman who prefers a minimalist look, the Tiffany Co. twist bangle (thin, slightly ovoid) is stylishly simple. For Cummings devotees, signature pieces feature hard stone inlay, such as her pairs of gold ear clips inlaid with black jade (a play on the classic Chanel black and tan), or bangles whose design recalls ocean waves, with undulating lines of lapis lazuli and mother-of-pearl. And just about any design by the great Jean Schlumberger is by definition a classic.

Even had he eschewed stones and diamonds, Southern-born David Webb would be hailed for the vast arsenal of heavy gold jewelry he designed. Gold, usually hammered or textured in some manner, defines great David Webb jewelry. The self-taught jeweler made very au courant pieces while drawing inspiration from ancient and out-of-the-way sources — East meets West in the commanding gold necklaces made by Webb in the early 1970s. The same could be said for his endlessly varied gold cuffs.

In Europe, many houses have given us gold jewelry that sets the highest standard for excellence, pieces that were highly sought after when they were made and continue to be so. 

Numerous designs from Cartier are homages to gold. There are the classic Trinity rings, necklaces and bracelets — trifectas of yellow, white and rose gold. As a testament to the power of love, consider the endurance of the Cartier Love bracelet.

Aldo Cipullo, Cartier’s top in-house designer from the late 1960s into the early ’70s, made history in 1969 with the Love bracelet. Cipullo frequently said that the Love bracelet was born of a sleepless night contemplating a love affair gone wrong and his realization that “the only remnants he possessed of the romance were memories.” He distilled the urge to keep a loved one close into a slim 18-karat gold bangle. 

BVLGARI and its coin jewelry, gemme nummarie, hit the jackpot when the line launched in the 1960s. The line has been perennially popular. BVLGARI coin jewelry features ancient Greek and Roman coins embedded in striking gold mounts, usually hung on thick link necklaces of varying lengths. In the 1970s, BVLGARI introduced the Tubogas line, most often made in yellow gold. The Tubogas watches are classics, and then there is the Serpenti, the house's outstanding snake-themed watches and bracelets.

A collection called Monete that incorporated the gold coins is one of several iconic BVLGARI lines that debuted in the 1970s and ’80s, catering to a new generation of empowered women. Just as designers like Halston and Yves Saint Laurent were popularizing fuss-free ready-to-wear fashion for women on the go, BVLGARI offered jewels to be lived in

Since Van Cleef Arpels opened its Place Vendôme doors in 1906, collection after collection of jewelry classics have enchanted the public. As predominantly expressed in a honeycomb of gold, there is the Ludo watch and accessories, circa the 1920s, and the golden Zip necklace, 1951, whose ingenious transformation of the traditional zipper was originally proposed by the Duchess of Windsor. Van Cleef's Alhambra, with its Moroccan motif, was introduced in 1968 and from the start its popularity pivoted on royalty and celebrity status. It remains one of VCA’s most popular and collected styles.

Mention must be made of Buccellati, whose name is synonymous with gold so finely spun that it suggests tapestry. The house’s many gold bracelets, typically embellished with a few or many diamonds, signified taste and distinction and are always in favor on the secondary market. Other important mid-20th-century houses known for their gold-themed jewelry include Hermès and Ilias Lalaounis.

Find a stunning collection of vintage and antique gold jewelry on 1stDibs.

The Legacy of Diamond in Jewelry Design

Antique diamond rings, diamond tiaras and dazzling vintage diamond earrings are on the wish lists of every lover of fine jewelry. And diamonds and diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.

From “A Diamond Is Forever” to “Diamonds Are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim diamonds for themselves, but just about everyone wants this kind of sparkle in their lives!

There are several factors that set diamonds apart from other stones, and these points are important to our gem education.

Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath the earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.

In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamond's value decreases if there are many blemishes or inclusions), color (the less color the higher the grade), cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better).

When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty (taking the time to clean your diamond ring at least every six months or so plays a role in maintaining said beauty). And on 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings

Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.  

Finding the Right Rings for You

Antique and vintage rings have long held a special place in the hearts of fine jewelry lovers all over the world.

No matter their origin or specific characteristics, rings are timeless, versatile accessories. They’ve carried deep meaning since at least the Middle Ages, when diamond rings symbolized strength and other kinds of rings were worn to signify romantic feelings or to denote an affiliation with a religious order. Rings have also forever been emblematic of eternity.

Over time, rings have frequently taken the form of serpents, which have long been associated with eternal life, health and renewal. Italian luxury jewelry house Bulgari has become famous for its widely loved Serpenti motif, for example, and its Serpenti ring, like the other accessories in the collection, began as an homage to jewelry of the Roman and Hellenistic eras. The serpent is now a popular motif in fine jewelry. Jewelry devotees have long pined for rings adorned with reptiles, thanks to antique Victorian rings — well, specifically, Queen Victoria’s illustrious engagement ring, which took the form of a gold snake set with rubies, diamonds and an emerald (her birthstone). Designs for Victorian-era engagement rings often featured repoussé work and chasing, in which patterns are hammered into the metal.

Engagement rings, which are reliably intimidating to shop for, are still widely recognized as symbols of love and commitment. On 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings

The most collectible antique engagement rings and vintage engagement rings are those from the Victorian, Edwardian and Art Deco eras. Named for the monarchies of the four King Georges, who in succession ruled England starting in 1714 (plus King William’s reign), antique Georgian rings, be they engagement rings or otherwise, are also coveted by collectors. Pearls, along with colored gemstones like garnets, rubies and sapphires, were widely used in Georgian jewelry. The late-1700s paste jewelry was a predecessor to what we now call fashion or costume jewelry

The Art Nouveau movement (1880–1910) brought with it rings inspired by the natural world. Antique Art Nouveau rings might feature depictions of winged insects and fauna as well as women, who were simultaneously eroticized and romanticized, frequently with long flowing hair. Art Deco jewelry, on the other hand, which originated during the 1920s and ’30s, is by and large “white jewelry.” White metals, primarily platinum, were favored over yellow gold in the design of antique Art Deco rings and other accessories as well as geometric motifs, with women drawn to the era’s dazzling cocktail rings in particular.

Whether you’re hunting down a chunky classic for a Prohibition-themed cocktail party or seeking a clean contemporary design to complement your casual ensemble, find an exquisite collection of antique, new and vintage rings on 1stDibs.

Questions About 18K Gold Onyx Rings
  • 1stDibs ExpertApril 5, 2022
    Whether or not 18K gold wears off depends on how it's made. The finish will not wear off of a piece of jewelry or another object made entirely out of 18K gold. However, wear can occur on pieces that feature 18K gold plating, a thin layer of gold applied over another type of metal. You'll find a large selection of gold jewelry and decorative objects on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    An 18K gold watch is a timepiece made from gold precious metal of a specific purity. The term 18K means 18-karat, a precious metal that is 75 percent pure gold and 25 percent alloy. Shop a large collection of gold watches on 1stDibs.
  • 1stDibs ExpertMarch 22, 2022
    18K Italy gold is 18-karat gold produced in Italy. Karats tell you how much of a piece of metal is genuine gold. In the case of 18-karat gold, 18 parts are pure gold, and six parts are other metals. This makes 18-karat pieces 75 percent gold. You'll find a large collection of gold jewelry on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    The mark 18K on a ring stands for 18-karat gold. 18-karat signifies that the ring is 75% pure gold and 25% other metals, such as copper, zinc or nickel. The additional metals strengthen the ring, making it more durable. Shop a range of expertly vetted 18-karat jewelry on 1stDibs.
  • 1stDibs ExpertAugust 26, 2024
    The difference between 24K gold and 18K gold is how much pure gold the metals contain. Something made of 24-karat gold is 99.9% pure gold, while 18-karat gold items are 75% gold and 25% alloy metals. Generally, 18-karat gold is more durable and scratch-resistant due to the presence of alloy metals. On the other hand, 24-karat gold tends to be more richly colored and expensive. On 1stDibs, find a wide range of gold jewelry.
  • 1stDibs ExpertFebruary 22, 2021
    Yes, 18k is the perfect karatage for jewelry. While 24k is more prized and typically more expensive, it is also less dense and durable than 18k gold.
  • 1stDibs ExpertApril 5, 2022
    Yes, 18K gold is real gold. However, it is not pure gold. Something marked 18K is 75 percent genuine gold and 25 percent metal alloy. On 1stDibs, shop a range of expertly vetted gold jewelry from some of the world’s top sellers.
  • 1stDibs ExpertApril 5, 2022
    18K green gold is an alloy created by mixing silver, copper and zinc with normal gold. 18K green gold is greener than 14K green gold. On 1stDibs, shop a wide collection of genuine 18K green gold from some of the world's top sellers.
  • 1stDibs ExpertApril 5, 2022
    Yes, gold dipped, also known as gold plated, pieces are considered real gold. The process coats a piece of metal or alloy with a layer of gold for a gold finish. Shop a collection of 18 karat gold jewelry, solid and dipped, on 1stDibs.
  • 1stDibs ExpertSeptember 16, 2024
    Yes, many people believe that 18k gold is worth buying. Due to the metal's durability, jewelry produced from 18-karat gold is often resistant to scratching and damage. In addition, the large amount of pure gold in the alloy gives white, rose and yellow 18-karat gold a vibrant color. However, whether or not it’s worth investing in 18-karat gold is totally subjective! At 1stDibs, we believe in buying what you love. Our shopping experience enables discovery and learning, whether you are a seasoned connoisseur or just beginning your collection. Find a diverse range of gold jewelry on 1stDibs.
  • 1stDibs ExpertNovember 26, 2024
    On a watch, 18K gold means that the watch features genuine gold. An alloy, 18-karat gold is 75% pure gold and 25% other metals. The high gold content gives the metal an attractive color, while the alloy metals add strength to increase its durability. An 18-karat gold watch may be solid gold or gold-filled, which means it is primarily another metal that the watchmaker finished with a thin layer of 18-karat gold. On 1stDibs, find a large selection of gold watches.
  • 1stDibs ExpertDecember 5, 2024
    Many watch lovers believe that 18K gold is good for watches. An alloy, 18-karat gold is 75% pure gold and 25% other metals. The amount of gold makes the color of the alloy, whether it's white, yellow or rose, rich and visually appealing. At the same time, the addition of alloy metals increases the strength of the gold material. Explore a large selection of watches on 1stDibs.
  • 1stDibs ExpertFebruary 22, 2021
    Yes, 18k gold can tarnish, but it is uncommon. Pure gold does not combine easily with oxygen and therefore does not tarnish. The higher the karat, the less likely a piece of gold will tarnish.
  • 1stDibs ExpertMarch 22, 2022
    Yes, 18-karat gold can turn green in some circumstances. This type of gold is about 75 percent genuine gold and 25 percent alloy, and the other metal or metals used to produce it may react negatively to acidic substances. When this occurs, 18-karat gold may take on a greenish hue. On 1stDibs, shop a large selection of gold jewelry.
  • 1stDibs ExpertAugust 29, 2024
    Yes, 18K 750 is real gold. Gold pieces that bear this hallmark are 18-karat gold, a 75% pure gold alloy and 25% base metal. One of the most popular materials for fine jewelry, 18-karat gold shows off a rich yellow, white or rose color and resists scratching more readily than pure gold. Explore a wide variety of 18-karat gold jewelry on 1stDibs.
  • 1stDibs ExpertNovember 14, 2023
    Yes, 18-karat gold can be good for earrings. Because it is an alloy, 18-karat gold is more durable and scratch-resistant than pure 24-karat gold. You can find 18-karat gold in rich warm yellow, cooler white with warm undertones and light pink rose. On 1stDibs, explore a large collection of gold earrings.
  • 1stDibs ExpertOctober 12, 2021
    The difference between 14k and 18k rose gold metal is that the 14k rose gold is less pure than 18k. 14k rose gold has a deeper pink color because of greater amounts of copper, whereas 18k rose gold has 75% gold and appears yellow. 14k rose gold is increasingly popular due to its brighter pink hue and resistance to scratches. On 1stDibs, shop a range of vintage rose gold jewelry.
  • 1stDibs ExpertAugust 20, 2024
    Whether a 24K gold ring is worth it depends on your preferences and personal opinions. Because 24-karat gold is pure gold with no alloy metals added, it shows off a rich color that many people find appealing. However, 24-karat gold is more expensive than other alloys and is more prone to scratching and wear than alloys like 18-karat and 14-karat gold. As a result, you may prefer an alloy if you're looking for a piece of jewelry to wear daily. On 1stDibs, shop a wide variety of gold jewelry.
  • 1stDibs ExpertApril 5, 2022
    A piece of jewelry or a decorative object marked 18K gold plated does likely contain real gold. The marking indicates that the item is metal under a layer of gold alloy that contains 75 percent gold and 25 percent other metal. On 1stDibs, shop a collection of expertly vetted gold jewelry.
  • 1stDibs ExpertOctober 30, 2024
    How much your 18K gold chain is worth depends on several factors. As a material, 18-karat gold typically fetches a higher price than 14-karat and 10-karat gold on the scrap market because it contains more pure gold. When selling a piece for scrap, the length, thickness and weight of your chain will determine how much you can expect to receive for it. It's also possible that your chain may be worth more than the going scrap rate due to its style, maker, age and other characteristics. Consequently, you may wish to have a certified appraiser or knowledgeable jeweler evaluate your jewelry before you sell it. On 1stDibs, shop a wide range of gold chains.