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18 kt White Gold, Full Pavé 12.6 Carats Diamonds Cocktail Ring
Located in Antwerp, BE
18 kt White Gold, Full Pavé Diamond Cocktail Ring Glamorous 18 kt ring pavé set with brilliant
Category

21st Century and Contemporary Italian Modern Cocktail Rings

Materials

Diamond, White Gold

Estate Diamond Koi Fish Large Amazing 18 KT Pendant Chain
Located in Napoli, IT
grace and elegance Further Details Below Metal: 18 Kt gold Hallmarks: assay Gems: 94 brilliant cut
Category

Vintage 1970s European Contemporary Pendant Necklaces

Materials

Diamond, 18k Gold

Estate Heart Shaped Citrine Black Enamel Diamond 18 KT Earrings
Located in Napoli, IT
throughout Great design , fabulous when worn Further Details Below Metal: 18 Kt gold Hallmarks: assay Gems
Category

Vintage 1970s Italian Contemporary Dangle Earrings

Materials

Citrine, Diamond, 18k Gold, Enamel

Retro English .65 Ct Double Diamond Twist 18 Kt ring
Located in Napoli, IT
Details Below Metal: 18 Kt gold Hallmarks: British assay and maker (H M) Gems: 2 transitional brilliant
Category

Vintage 1940s British Retro Engagement Rings

Materials

Diamond, 18k Gold

Lalaounis Necklace 18 Kt Yellow Gold Sapphires Rubies Lion Heads Necklace
By Ilias Lalaounis
Located in Paris, FR
for 750 gold (18 kt)
Category

1990s Greek Choker Necklaces

Materials

Diamond, Ruby, Sapphire, Blue Sapphire, 18k Gold, Yellow Gold

Natural Diamond 1.01 carats 18 KT Yellow Gold Statement Ring
Located in Antwerpen, BE
. ADDITIONAL PRODUCT INFORMATION: *All our products are graded and 18KT Gold hallmarked according to EU/UK/US
Category

2010s Belgian Modern Cocktail Rings

Materials

Diamond, 18k Gold, Yellow Gold

Natural Diamond 0.63 carats 18 KT White Gold Anniversary Band Ring
Located in Antwerpen, BE
crafted in luxurious 18 KT white gold. This stunning ring boasts a unique split shank design that enhances
Category

2010s Belgian Modern Band Rings

Materials

Diamond, 18k Gold, White Gold

Estate 8.95 Ct Natural Yellow Sapphire Diamond English 18 KT Ring
Located in Napoli, IT
This outstanding estate has been skillfully hand crafted of 18 Kt gold, bears English hallmarks
Category

21st Century and Contemporary English Contemporary Band Rings

Materials

Diamond, Yellow Sapphire, 18k Gold

Misani Milan Sardinia Coral Multistrand Diamond Onyx Pearl 18 KT Necklace
Located in Napoli, IT
and charm Further Details Below Metal: 18 Kt gold Hallmarks: Italian assay and maker - signed MISANI
Category

Vintage 1980s Italian Contemporary Multi-Strand Necklaces

Materials

Coral, Diamond, Onyx, Pearl, Rock Crystal, 18k Gold

Italian Heart Citrine Black Onyx Diamond 18 KT Cuban Link Necklace
Located in Napoli, IT
available Further Details Below Metal: 18 Kt gold Hallmarks: Italian assay and maker Gems: 1 heart faceted
Category

Vintage 1970s Italian Contemporary Chain Necklaces

Materials

Citrine, Diamond, Onyx, 18k Gold

Estate Double Rams Head 2.30 Ct Diamond 18 KT Gold Bangle
Located in Napoli, IT
cut Diamonds for approx 2.30 CT – TCW (G/H VVS/VS) Italian Hallmarks for 18 KT gold it is 92.4 Grams
Category

Vintage 1970s Italian Contemporary Bangles

Materials

Diamond, Gold, 18k Gold

Art Deco 27.60 Ct Natural Peridot Diamond 18 KT Platinum Pendant
Located in Napoli, IT
Metal: Platinum and 18 Kt gold Hallmarks: assay and maker (on the chain) Gems: 1 calf’s head faceted cut
Category

Vintage 1920s European Art Deco Pendant Necklaces

Materials

Diamond, Peridot, 18k Gold, Platinum

Natural Diamond 1.97 cts 18 KT Rose Gold Designer Cocktail Ring
Located in Antwerpen, BE
An extraordinary Cuban Link Pave Set Diamond Ring crafted in luxurious 18 KT rose gold. This ring
Category

2010s Belgian Modern Cocktail Rings

Materials

Diamond, 18k Gold, Rose Gold

Natural Diamond 4.68 carts 18 KT White Gold Cluster Link Bracelet
Located in Antwerpen, BE
Certificate Included ADDITIONAL PRODUCT INFORMATION: *All our products are graded and 18KT Gold hallmarked
Category

2010s Belgian Modern Tennis Bracelets

Materials

Diamond, White Gold, 18k Gold

Natural Diamond 0.15 carats 18 KT White Gold Simple Chain Pendant
Located in Antwerpen, BE
and 18KT Gold hallmarked according to EU/UK/US Law. *Ethically sourced materials to transparent
Category

2010s Belgian Modern Chain Necklaces

Materials

Diamond, 18k Gold, White Gold

Natural Diamonds 0.40 cts 18 Kt Yellow Gold Modern Stud Earrings
Located in Antwerpen, BE
INFORMATION: *All our products are graded and 18KT hallmarked according to EU/UK/US Law. *Guarantee: this
Category

2010s Belgian Modern Stud Earrings

Materials

Diamond, 18k Gold, Yellow Gold

Natural Diamond 0.14 carats 18 KT White Gold Simple Cluster Earrings
Located in Antwerpen, BE
: *All our products are graded and 18KT Gold hallmarked according to EU/UK/US Law. *Ethically sourced
Category

2010s Belgian Modern Stud Earrings

Materials

Diamond, 18k Gold, White Gold

18 kt. White Gold Bangle with Natural Pink Sapphires and Diamonds
Located in Braintree, GB
perfect accessory for any occasion. It is hallmarked 750 ( A standard for 18kt gold ). Made in Circa 2010
Category

2010s American Bangles

Materials

Diamond, Pink Sapphire, 14k Gold, White Gold

Certified 8.15 carat Peridot and Diamonds earrings in 18 kt yellow gold
Located in AMSTERDAM, NL
Gold content: 18 KT (hallmarked) Weight: 12.05 grams Total length: 39 mm Width below: 12mm Peridot has
Category

2010s European Contemporary Dangle Earrings

Materials

Diamond, Peridot, Gold, 18k Gold

Certified Lime green Peridot and Diamonds earrings in 18 kt yellow gold
Located in AMSTERDAM, NL
Gold content: 18 KT (hallmarked) Weight: 11.33 grams Total length: 41mm Width below: 12mm Peridot has
Category

2010s European Regency Dangle Earrings

Materials

Diamond, Peridot, Gold, 18k Gold

Natural Diamond Bracelet 1.30 Carats 18 KT Yellow Gold Bangle Bracelet
Located in Antwerpen, BE
ADDITIONAL PRODUCT INFORMATION: *All our products are graded and 18KT Gold hallmarked according to EU/UK/US
Category

2010s Belgian Art Nouveau Bangles

Materials

Diamond, Gold, 18k Gold, Yellow Gold

Natural Diamond Ring 0.35 cts 18 KT Rose Gold Natural Rubies Ring
Located in Antwerpen, BE
with precision and passion, the entire ensemble is held together by the embrace of 18 KT Rose GOLD
Category

2010s Belgian Modern Engagement Rings

Materials

Diamond, Ruby, 18k Gold, Rose Gold

Natural Diamond 9.10 Carats 18 KT White Gold Baguette Tennis Bracelet
Located in Antwerpen, BE
are graded and 18KT Gold hallmarked according to EU/UK/US Law. *Ethically sourced materials to
Category

2010s Belgian Modern Tennis Bracelets

Materials

Diamond, White Gold, 18k Gold

Natural Diamond 0.45 carat 18 KT White Gold Flower Pendant Necklace
Located in Antwerpen, BE
ADDITIONAL PRODUCT INFORMATION: *All our products are graded and 18KT Gold hallmarked according to EU/UK/US
Category

2010s Belgian Modern Pendant Necklaces

Materials

Diamond, Gold, 18k Gold, White Gold

18 KT Yellow Gold Baguette Round Diamonds Cocktail Half Eternity Band R068656
Located in Antwerpen, BE
other rings, consider a baguette and round diamond channel set 18 kt Yellow gold band. This exquisite
Category

2010s Belgian Art Deco Bridal Rings

Materials

Diamond, 18k Gold, Yellow Gold

Natural Diamond Ring 3.60 cts 18 KT Yellow Gold Full Eternity Rind
Located in Antwerpen, BE
milestones, or simply as a testament to refined taste, this 18 KT Yellow gold ring is a true masterpiece that
Category

2010s Belgian Modern Band Rings

Materials

Diamond, 18k Gold, Yellow Gold

Natural Diamond Ring 3.80 cts 18 KT White Gold Full Eternity Rind
Located in Antwerpen, BE
milestones, or simply as a testament to refined taste, this 18 KT white gold ring is a true masterpiece that
Category

2010s Belgian Modern Band Rings

Materials

Diamond, 18k Gold, White Gold

Natural Diamond 0.42 carats 18 KT Gold Designer Double Layer Chain Necklace
Located in Antwerpen, BE
Included ADDITIONAL PRODUCT INFORMATION: *All our products are graded and 18KT Gold hallmarked according
Category

2010s Belgian Modern Multi-Strand Necklaces

Materials

Diamond, Gold, 18k Gold, Rose Gold, White Gold

Natural Diamond Earring 0.27 cts 18 KT White Gold Hoop Huggie Earring
Located in Antwerpen, BE
Included ADDITIONAL PRODUCT INFORMATION: *All our products are graded and 18KT Gold hallmarked according
Category

2010s Belgian Modern Hoop Earrings

Materials

Diamond, 18k Gold, White Gold

Natural Diamond 0.33 carats 18 KT White Gold Chain Cluster Pendant Necklace
Located in Antwerpen, BE
and 18KT Gold hallmarked according to EU/UK/US Law. *Ethically sourced materials to transparent
Category

2010s Belgian Modern Chain Necklaces

Materials

Diamond, 18k Gold, White Gold

ALGT Certified 18 kt. White gold Dangle Earrings with Emerald and Diamonds
Located in AMSTERDAM, NL
, approx. 1.24 ct F-G/VS in total Size 12mm*30mm Gold content: 18 KT (hallmarked) Weight: 6.23 grams
Category

2010s European Contemporary Dangle Earrings

Materials

Diamond, Emerald, 18k Gold, White Gold

Natural Diamonds 0.40 cts 18 Kt White Gold Modern Cluster Stud Earrings
Located in Antwerpen, BE
PRODUCT INFORMATION: *All our products are graded and 18KT Gold hallmarked according to EU/UK/US Law
Category

2010s Belgian Modern Stud Earrings

Materials

Diamond, 18k Gold, White Gold

Natural Diamond 1.25 carats 18 KT White Gold Cluster Halo Engagement Ring
Located in Antwerpen, BE
products are graded and 18KT Gold hallmarked according to EU/UK/US Law. *Ethically sourced materials to
Category

2010s Belgian Modern Cluster Rings

Materials

Diamond, 18k Gold, White Gold

Natural Diamond 1.10 carats 18 KT Yellow Gold Full Eternity Band Ring
Located in Antwerpen, BE
PRODUCT INFORMATION: *All our products are graded and 18KT Gold hallmarked according to EU/UK/US Law
Category

2010s Andorran Modern Band Rings

Materials

Diamond, 18k Gold, Yellow Gold

Natural Diamond 1.10 carats 18 KT White Gold Full Eternity Band Ring
Located in Antwerpen, BE
PRODUCT INFORMATION: *All our products are graded and 18KT Gold hallmarked according to EU/UK/US Law
Category

2010s Andorran Modern Band Rings

Materials

Diamond, 18k Gold, White Gold

Natural Diamond 0.45 cts 18 KT White Gold Charm Pendant Chain Necklace
Located in Antwerpen, BE
our products are graded and 18KT Gold hallmarked according to EU/UK/US Law. *Ethically sourced
Category

2010s Belgian Art Deco Pendant Necklaces

Materials

Diamond, White Gold, 18k Gold

Natural Diamond 0.70 carats 18 KT Whit Gold Cluster Half Eternity Wedding Band
Located in Antwerpen, BE
INFORMATION: *All our products are graded and 18KT Gold hallmarked according to EU/UK/US Law. *Ethically
Category

2010s Belgian Modern Cluster Rings

Materials

Diamond, 18k Gold, White Gold

ALGT Certified 18 Kt. White Gold Earrings with 2.28 Ct Rubies and Diamonds
Located in AMSTERDAM, NL
certificate is included. Number is 73566933. Gold content: 18 KT (hallmarked) Earrings : about 27mm*6mm Weight
Category

2010s European Contemporary Dangle Earrings

Materials

Ruby, 18k Gold, White Gold

Natural Diamond Ring 0.38 cts 18 KT White Gold Natural Blue Sapphire Ring
Located in Antwerpen, BE
. Crafted with precision and passion, the entire ensemble is held together by the embrace of 18 KT White
Category

2010s Belgian Modern Engagement Rings

Materials

Diamond, Blue Sapphire, 18k Gold, White Gold

Natural Diamond 1.30 Carats 18 Kt White Gold Baguette Woman Bangle Bracelet
Located in Antwerpen, BE
ADDITIONAL PRODUCT INFORMATION: *All our products are graded and 18KT Gold hallmarked according to EU/UK/US
Category

2010s Belgian Modern Bangles

Materials

Diamond, 18k Gold, White Gold

Natural Diamonds 0.22 carats 18 KT White Gold Square Cluster Stud Earrings
Located in Antwerpen, BE
. DETAILS: Metal: 18KT White Gold Weight: 1.10 Grams Total Carat Weight: 0.22ct Number of Diamonds: 18
Category

2010s Belgian Modern Stud Earrings

Materials

Diamond, 18k Gold, White Gold

Natural Diamond 3.07 cts 18 KT White Gold Flower Cluster Tennis Bracelet
Located in Antwerpen, BE
Certificate Included ADDITIONAL PRODUCT INFORMATION: *All our products are graded and 18KT Gold hallmarked
Category

2010s Belgian Art Deco Link Bracelets

Materials

Diamond, 18k Gold, White Gold

Natural Diamond 3.25 Carats 18 KT White Gold Classic Full Eternity Band Ring
Located in Antwerpen, BE
ADDITIONAL PRODUCT INFORMATION: *All our products are graded and 18KT Gold hallmarked according to EU/UK/US
Category

2010s Belgian Modern Band Rings

Materials

Diamond, 18k Gold, White Gold

Natural Diamond Bracelet 2.39 CT 18 KT White Gold Link Tennis Bracelet BR55488A
Located in Antwerpen, BE
PRODUCT INFORMATION: *All our products are graded and 18KT Gold hallmarked according to EU/UK/US Law
Category

2010s Belgian Modern Link Bracelets

Materials

Diamond, 18k Gold, White Gold

Natural Diamond 0.70 carats 18 KT White Gold Cluster Double Halo Stud Earrings
Located in Antwerpen, BE
Included ADDITIONAL PRODUCT INFORMATION: *All our products are graded and 18KT hallmarked Gold
Category

2010s Belgian Art Nouveau Stud Earrings

Materials

Diamond, Gold, 18k Gold, White Gold

Andrew Clunn New York Hoop Earrings 18 Kt Yellow Gold With White Black Nacre
By Andrew Clunn
Located in Miami, FL
Inches). Stamped, with the maker's mark, the gold assay hallmark and signed, "A, CLUNN 18 KT". Andrew
Category

Vintage 1970s American Modernist Clip-on Earrings

Materials

Gold, 18k Gold, Yellow Gold

HALO ear studs 18 KT in yellow gold, with two pieces of tanzanite and diamonds
Located in AMSTERDAM, NL
. 0.45 ct in total, of quality G/VS. Gold content: 18 KT (hallmarked) Natural tanzanite: 2 pcs (approx
Category

2010s European Contemporary Stud Earrings

Materials

Tanzanite, 18k Gold, Yellow Gold

Eternity Band Ring in 18 Kt White Gold with 7.24 Ctw of Natural Blue Sapphires
Located in Miami, FL
is 7 mm (0.28 inch). Hallmarks: Stamped 18kt for the white gold. Note: Can be wear alone or as a
Category

20th Century American Modern Band Rings

Materials

Sapphire, Blue Sapphire, Gold, 18k Gold, White Gold

Estate 6.87 Total Carat Diamond French Hallmark Dome Ring White Gold
Located in Miami, FL
This stunning 18 karat white gold French hallmark dome ring is truly breathtaking! It has an 1.49
Category

21st Century and Contemporary French Dome Rings

Materials

Diamond, Gold, 18k Gold, White Gold

Bulgari B.Zero1 18KT White Gold Ring
By Bulgari
Located in Braintree, GB
Metal: 18KT White Gold Hallmarks: Fully hallmarked Era: Modern Condition Report Excellent condition
Category

Early 2000s Italian Band Rings

Materials

18k Gold, White Gold

18kt White Gold Diamond Bangle, 2.70 Carats
Located in Braintree, GB
, ensuring both strength and refinement. Dimensions - Specifications: Metal: 18kt white gold (hallmarked
Category

2010s Art Deco Bangles

Materials

Diamond, 18k Gold, White Gold

18kt Yellow Gold Vintage Cartier Paris Stirrup Cufflinks
By Cartier
Located in Antwerp, BE
Vintage Cartier Paris Stirrup Cufflinks In 18 Kt Yellow Gold The cuffs are solid 18 karat gold and
Category

20th Century Cufflinks

Materials

18k Gold, Yellow Gold

18kt White Gold and 8.50 ct. Diamond Necklace
Located in Braintree, GB
: Approx. 8.50 ct Clarity: VVS1–VS1 Colour: G–H Specifications Metal: 18kt White Gold (hallmarked) Weight
Category

1990s Choker Necklaces

Materials

Diamond, 18k Gold, White Gold

Sapphire and Baguette Cut Diamonds 18Kt Gold Ring
Located in Monte Carlo, MC
. Width: 10.8mm , 6.8 grams With 18Kt french-state hallmark stamp.
Category

21st Century and Contemporary European Contemporary Cocktail Rings

Materials

Sapphire, Diamond, Yellow Gold, 18k Gold, Gold

Harry Winston Premier Automatic Platinum and 18KT Gold Watch
Located in Braintree, GB
Harry Winston to dial, case, and movement. Serial number No. 0048. Hallmarked for platinum and 18kt gold
Category

Early 2000s American Wrist Watches

Materials

Gold, Platinum

18kt White Gold Cabochon Emerald and Diamond Cluster Ring
Located in Braintree, GB
18kt White Gold Cabochon Emerald and Diamond Cluster Ring Description A striking 18kt white gold
Category

Vintage 1970s Cluster Rings

Materials

Diamond, Emerald, 18k Gold, White Gold

Natural Diamond Set 18KT Pendant Earring Jewelry Set
Located in Antwerpen, BE
ADDITIONAL PRODUCT INFORMATION: *All our products are graded and 18KT Gold hallmarked according to EU/UK/US
Category

2010s Belgian Modern Chain Necklaces

Materials

Diamond, White Gold

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Hallmark 18kt For Sale on 1stDibs

On 1stDibs, you can find the most appropriate hallmark 18kt for your needs in our varied inventory. Frequently made of gold, 18k gold and yellow gold, this item was constructed with great care. Our collection of these items for sale includes 5284 vintage editions and 1391 modern creations to choose from as well. You’re likely to find the perfect hallmark 18kt among the distinctive items we have available, which includes versions made as long ago as the 18th Century as well as those produced as recently as the 21st Century. There have been many well-made iterations of the classic hallmark 18kt over the years, but those made by Cartier, Van Cleef Arpels and Tiffany Co. are often thought to be among the most beautiful. While most can agree that any hallmark 18kt from our collection can easily elevate most outfits, but the choice of a diamond version from the 2749 available is guaranteed to add a special touch to your ensemble. A round cut version of this piece has appeal, but there are also brilliant cut and cabochon versions for sale. There aren’t many items for men if you’re seeking a hallmark 18kt, as most of the options available are for women and unisex.

How Much is a Hallmark 18kt?

On average, a hallmark 18kt at 1stDibs sells for $4,866, while they’re typically $10 on the low end and $550,000 for the highest priced versions of this item.

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.