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OLYMPUS ART Certified, Pink Gold, Diamond, South Sea Pearl, Eternity Ring
Located in Istanbul, TR
Olympus Art Certified, 18K 750 Pink Gold, 2.70 ct. Diamond Round 15.5 mm. South Sea Pearl Eternity
Category

2010s Turkish Modern Fashion Rings

Materials

Diamond, South Sea Pearl, Gold

Rose Gold Photo Frame Pendant with River Beads
Located in Bologna, IT
Ciondolo pendente porta foto, in oro rosa 18k (750/1000), con Perle di Fiume e pietre verdi
Category

Vintage 1950s Italian Art Deco Necklace Enhancers

Materials

Freshwater Pearl, Gold, 18k Gold, Rose Gold

Three Row Sapphire and Diamond Huggie Earrings in 18k White Gold
Located in Honolulu, HI
Weight: ~0.10 carats Stamped: "18K" "750"
Category

21st Century and Contemporary Clip-on Earrings

Materials

Diamond, Sapphire, White Gold, 18k Gold

Tiffany Co 18k Pearl by the Yard Earrings. Tiffany Elsa Peretti Drop Earrings.
By Tiffany Co.
Located in Port Charlotte, FL
the Yard Drop Earrings 18k 750 Yellow Gold Hallmarked Tiffany and Co 48mm total drop 10mm by 8.5mm
Category

21st Century and Contemporary Modern Stud Earrings

Materials

Gold, 18k Gold, Yellow Gold

Olympus Art Certified, Unique Art, Pink Gold, Diamond, Rain Drop Earrings
Located in Istanbul, TR
Olympus Art Certified, 18K 750 Pink Gold, 2.01 ct. Diamond Baguette 0.26 ct. Diamond Round Unique
Category

2010s Turkish Modern Drop Earrings

Materials

Diamond, Gold

Vintage Cartier Juste un Clou Ring. 18k YG Original Papers Genuine Cartier Band.
By Cartier
Located in Port Charlotte, FL
CARTIER Juste un Clou Band. 18k 750 Yellow Gold. Original Cartier paperwork and Original Box
Category

20th Century Band Rings

Materials

Gold, 18k Gold, Yellow Gold

Diamond Dolphin Dangly Drop Earrings 18K Solid White Gold
Located in Honolulu, HI
Weight: ~1.80 carats Stamped: "18K" "750"
Category

Late 20th Century Unknown Modern Dangle Earrings

Materials

Diamond, Gold, 18k Gold, White Gold

Tiffany Co. 18k Gold Double Tear 1977 Cable Pendant Necklace
By Tiffany Co.
Located in Port Charlotte, FL
Tiffany & Co. 18k 750 Double Drooping Drop 1977 Pendant. 4.7grams total 18mm by 24mm by 8mm actual
Category

Vintage 1980s Modern Pendant Necklaces

Materials

Gold, 18k Gold, Yellow Gold

Ruby Diamond Gold Brooch Pin
Located in New York, NY
18k gold brooch, with rubies and approx. 0.25ctw in diamonds. Brooch is 55mm x 40mm. Marked 18k 750
Category

20th Century Brooches

Materials

Diamond, Ruby, Gold

10 Brilliant Diamond Band Ring 18k White Gold
Located in Honolulu, HI
: 2.8 Grams Stamped: "18K" "750" Condition: Preowned, excellent
Category

Late 20th Century Unknown Modern Band Rings

Materials

Diamond, 18k Gold, White Gold

7 Diamond Flower Ring in 18k White Gold
Located in Honolulu, HI
: 3.9 Grams Stamped: "18K" "750" "D0.70" Condition: Preowned, Excellent
Category

Late 20th Century Unknown Modern Band Rings

Materials

Diamond, Gold, White Gold, 18k Gold

Bespoke 18 Carat White Gold Half Eternity Ring 0.44 Carat
Located in SYDNEY, NSW
weighing 2.8gm. Stamped: 18K 750. Set with 67 round, brilliant cut Diamonds, colour F-G and clarity VS-SI
Category

21st Century and Contemporary Band Rings

Materials

Diamond, White Gold

XOXO Diamond Band Cutout Ring 18k White Gold
Located in Honolulu, HI
: 7 mm Stamped: "18K" "750" Condition: Preowned, excellent
Category

Late 20th Century Unknown Modern Band Rings

Materials

Diamond, 18k Gold, White Gold

Diamond Heart Sectional Bracelet 18k Yellow Gold
Located in Honolulu, HI
Width: 9.8 mm Total Weight: 29.7 Grams Stamped: "18k" "750" Condition: preowned, excellent
Category

Late 20th Century Unknown Modern Tennis Bracelets

Materials

Diamond, Yellow Gold, 18k Gold

18k White Gold Princess Cut Diamond Wide Band Ring
Located in New York, NY
surface wear consistent with age. Ring size: 6.50 Width: 10.9mm wide Markings: “18k” "750" Metal: 18k
Category

21st Century and Contemporary Band Rings

Materials

Diamond, 18k Gold

Art Nouveau 2-Tone Abstract 3D Sphere Brooch Pin 18 Karat Gold
Located in Miami, FL
measures 2”x0.80”and weights 4.5 grams 18k 750.
Category

Vintage 1910s Art Nouveau Brooches

Materials

18k Gold

Buccellati Hawaii Yellow Gold Large Earrings
By Buccellati
Located in New York, NY
: Buccellati, Italy, 18k, 750. Weight - 20.6 grams.
Category

21st Century and Contemporary Italian Drop Earrings

Materials

Yellow Gold

Yellow gold brooch with cultured pearls
Located in Bologna, IT
Spilla in oro giallo 18k (750/1000) con perle coltivate. Diametro minimo 6- 6 e mezzo Diametro
Category

Vintage 1960s Italian Art Nouveau Brooches

Materials

Pearl, Cultured Pearl, Gold, 18k Gold, Yellow Gold

Yellow gold brooch with shell cameo
Located in Bologna, IT
Spilla in oro giallo 18k (750/1000) raffigurante un Cammeo con una immagine femminile avente una
Category

Vintage 1970s Italian Art Deco Necklace Enhancers

Materials

Gold, 18k Gold, Yellow Gold

Yellow gold brooch with shell cameo
Yellow gold brooch with shell cameo
$2,685 Sale Price
20% Off
Certified, Gold, Diamond, Ruby, Tahiti Pearl, Purple Violet Ring
Located in Istanbul, TR
Olympus Art Certified, Unique Art, One of a Kind 18K 750 White Gold 1.28 ct. Diamond Round 2.60 ct
Category

2010s Turkish Modern Fashion Rings

Materials

Diamond, Pearl, Ruby, Gold

Art Deco 18K Gold Platinum Diamond Pearl Earrings
Located in Flushing, NY
set in Platinum with a Gold back. Marked: 18K 750 Approximate Dimensions: 3.4 cm (Length) 1.3 cm
Category

20th Century Art Deco Hoop Earrings

Materials

Diamond, Pearl, Gold, 18k Gold, White Gold, Platinum

1960S French Coral Sapphire Diamond Gold Ring
Located in Geneva, CH
Great unique ring in white gold 18k 750 centered by an oval Coral surrounded by diamond and blue
Category

Vintage 1960s French Modern Fashion Rings

Materials

Coral, Diamond, Sapphire, 18k Gold, White Gold, Gold

Tahitian Pearl and Diamond Halo Vintage Ring in 18k Yellow Gold
Located in Honolulu, HI
Weight: Approximately 0.20 Carats. ​ ​Stamped: "18k" "750" Condition: Preowned, Excellent
Category

Late 20th Century Unknown Modern Cluster Rings

Materials

Pearl, Diamond, Yellow Gold, 18k Gold

DAVID YURMAN 18K Yellow Gold Solari Necklace with 2 charms 18" Necklace
By David Yurman
Located in New York, NY
DAVID YURMAN 18K Yellow Gold Solari Pendant 18" Necklace Metal:18K/750 Yellow Gold Bead size:9.5
Category

21st Century and Contemporary Pendant Necklaces

Materials

18k Gold

Tall Open Work Floral Lace Diamond Ring 18k White Gold
Located in Honolulu, HI
: 0.75" tall Total Weight: 8.9 Grams Stamped: "18K" "750" Condition: NEW
Category

21st Century and Contemporary Unknown Modern More Rings

Materials

Diamond, Gold, White Gold, 18k Gold

Angela Cummings Gold Blue Enamel X Earrings
By Angela Cummings
Located in New York, NY
. Marked: Angela Cummings, 18k, 750. Weight - 14.5 grams.
Category

20th Century American More Earrings

Materials

Gold, Enamel

18k Amethyst Diamond Drop Dangle Earrings Solid Yellow Gold Teardrop Statement
Located in Greer, SC
marked " 18K 750 " on the earring back holders.
Category

Late 20th Century Unknown Dangle Earrings

Materials

Amethyst, Diamond, 18k Gold, Yellow Gold

Channel Set 0.68 Carat 6 Brilliant Cut Diamond Band Ring Solid 18k White Gold
Located in Honolulu, HI
Total Weight: 4.2 Grams Stamped: "18K" "750" "D0.68" Condition: Excellent
Category

Late 20th Century Unknown Modern Band Rings

Materials

Diamond, Gold, White Gold, 18k Gold

French Ruby Diamond Yellow Gold Ring
Located in Geneva, CH
Late 20th Century's design this lovely Oval Ruby centers a yellow gold 18k 750 ring surrounded by
Category

1990s French Engagement Rings

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

Small Square Single Diamond Necklace in 18k Yellow Gold
Located in Honolulu, HI
Diamond Carat Weight: ~0.15 carats ​ ​Stamped: "18K" "750" Condition: Preowned, excellent
Category

21st Century and Contemporary Unknown Modern Pendant Necklaces

Materials

Diamond, 18k Gold, Yellow Gold

18k Panther Leopard Jaguar Cheetah Ruby Pendant. Encrusted Rubies and Diamonds.
Located in Port Charlotte, FL
8mm Chain Hallmarked and tested 18k 750 Solid Yellow Gold Wonderful and RARE piece.
Category

1990s Modern Pendant Necklaces

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

Channel Set Baguette Cut Diamond Hoops in 18k White Gold
Located in Webster, NY
Marked/Tested: Stamped “18k 750" Weight: 6.9 Grams Earring Length: 3/4”
Category

21st Century and Contemporary Hoop Earrings

Materials

Diamond, 18k Gold, White Gold

18K Yellow Gold Tiger Diamond Earrings
Located in Laguna Beach, CA
18k yellow gold and diamond, tiger head earrings. Stamped 18k, 750, and weighs 23 grams. The
Category

Late 20th Century Lever-Back Earrings

Materials

Diamond, 18k Gold, Yellow Gold

18k Panther Leopard Jaguar Cheetah Ruby Pendant. Encrusted Rubies and Diamonds.
Located in Port Charlotte, FL
a 5mm Chain Hallmarked and tested 18k 750 Solid Yellow Gold Wonderful and RARE piece.
Category

1990s Modern Pendant Necklaces

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

Genuine 18k Rolex Watch. 18k WG Rolex CELLINI 3811 Square WristWatch
By Rolex
Located in Port Charlotte, FL
Cellini Unisex watch. Beautiful Watch. Manual Windup mechanism.  Case is 18k 750 White gold Brand new
Category

Vintage 1970s Modern Wrist Watches

Materials

18k Gold, White Gold

18K White Gold Diamond Eternity Band Ring 0.55 ct
Located in Laguna Beach, CA
Ladies 18k white gold diamond eternity ring. Stamped 18k 750 D .55 and weighs 2.1 grams. The
Category

Mid-20th Century Cocktail Rings

Materials

Diamond, 18k Gold, White Gold

Genuine 18k Rolex Watch. 18k WG Ladies Rolex CELLINI 3803 Barrel WristWatch
By Rolex
Located in Port Charlotte, FL
Barrel Cellini Beautiful Watch. Manual Windup mechanism.  Case is 18k 750 White gold Brand new Leather
Category

Vintage 1970s Modern Wrist Watches

Materials

18k Gold, White Gold

18 KT Yellow Gold 2.35 Ct Ruby 0.15Ct Diamond Ring
Located in New York, NY
diamonds 0.15 carats on either side of the ruby. Stamped 18k 750 Size 6
Category

Vintage 1980s Italian Retro Fashion Rings

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

0.12ctw Diamond Small Cross Pendant Necklace 18k White Gold 16.25" Rope Chain
Located in McLeansville, NC
- H Clarity - VS2 - S1 Metal: 18k White Gold Weight: 2.8 Grams Stamps: 18k 750 Chain Style: Cable
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold

Natural Emerald Diamond Ring in 18k White Gold
Located in Webster, NY
Emerald Carat Weight: 2.92CT Metal: 18K White Gold Stamped: "18K 750 2.92" "MICHA" Size: 6.75 - sizable
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Emerald, 18k Gold, White Gold

18K YG Diamond Carved Multicolor Gemstone Wide Bracelet
Located in New York, NY
- 0.78” Hallmarks: FP 18K 750
Category

Vintage 1980s Italian Modern Link Bracelets

Materials

Amethyst, Citrine, Diamond, Peridot, 18k Gold, Yellow Gold

Gold watch key pendant
Located in Bologna, IT
Ciondolo pendente a chiave in oro giallo 18k (750/1000), realizzato come una lastra ottagonale
Category

Vintage 1950s European Art Deco Necklace Enhancers

Materials

Gold, 18k Gold, Yellow Gold

1.94ctw Diamond Journey Pendant Necklace 18k White Gold 18" Wheat Chain
Located in McLeansville, NC
Metal: 18k White Gold Weight: 5 Grams Stamps: 18k, 750 Style: Wheat Chain Closure: Lobster Clasp Chain
Category

2010s Pendant Necklaces

Materials

Diamond, White Gold

18k Panther Leopard Jaguar Cheetah Ruby Pendant. Encrusted Rubies and Diamonds.
Located in Port Charlotte, FL
Pendant BALE will fit a 8mm Chain Hallmarked and tested 18k 750 Solid Yellow Gold Wonderful and RARE
Category

1990s Modern Pendant Necklaces

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

Platinum 18k Alexandrite Cross Pendant. Genuine Alexandrite Crucifix Necklace
Located in Port Charlotte, FL
Rare Platinum Cross. Genuine Princess Cut Alexandrite 18k White Gold 20in ROLO Chain Necklace
Category

21st Century and Contemporary Modern Pendant Necklaces

Materials

Alexandrite, 18k Gold, Platinum

Baguette and Round Diamond Saddle Criss Cross Ring in 18k White Gold
Located in Honolulu, HI
Ring Width: ~19 mm Ring Size: 7 (resizable) Total Weight: 16.7 Grams Stamped: "18k" "750" Condition
Category

21st Century and Contemporary Band Rings

Materials

Diamond, 18k Gold, White Gold

Demantoid Garnet Diamond Ring Crafted in 18k White Gold
Located in Webster, NY
Cut Color: Average G-I Clarity: Average SI Metal: 18K White Gold Marked/Tested: Stamped “18K 750
Category

21st Century and Contemporary Cocktail Rings

Materials

Diamond, Garnet, 18k Gold, White Gold

Dangly Pearl and Diamond Drop Earrings 18K Yellow Gold
Located in Honolulu, HI
Diamond Count: 48 Diamond Color: G Diamond Clarity: VS Stamped: "18k" "750" Condition: Preowned
Category

21st Century and Contemporary American Modern Dangle Earrings

Materials

Diamond, Pearl, Yellow Gold, 18k Gold

Genuine 18k Rolex Precision Watch. 18k Gold Ladies 2157 Rolex Manual Watch
By Rolex
Located in Port Charlotte, FL
23mm Case. Rolex 1400 Movement Ref. 2157. Beautiful Watch. Manual Windup mechanism.  Case is 18k 750
Category

Vintage 1960s Modern Wrist Watches

Materials

18k Gold, Yellow Gold

Cartier Antique Gold Jade Bangle Bracelet
By Cartier
Located in New York, NY
; marked Cartier, 18k, 750, 56048 Size: inner diameter 2.5 inches, inner circumference 8 inches Total
Category

Early 20th Century Bangles

Materials

Jade, Gold, 18k Gold, Yellow Gold

Genuine 18k Rolex Precision Watch. 18k YG Ladies 9127 Dainty 1940s Ladies Rolex
By Rolex
Located in Port Charlotte, FL
. Rolex Movement Ref. 9127. Beautiful Watch. Manual Windup mechanism.  Case is 18k 750 Yellow gold Brand
Category

Vintage 1940s Modern Wrist Watches

Materials

18k Gold, White Gold

Genuine 18k Rolex Orchid Watch. 18k WG Ladies 2247 Dainty 1960s Ladies Rolex
By Rolex
Located in Port Charlotte, FL
. Rolex 1400 Movement Ref. 2247. Beautiful Watch. Manual Windup mechanism.  Case is 18k 750 White gold
Category

Vintage 1960s Modern Wrist Watches

Materials

18k Gold, White Gold

Genuine 18k Rolex Precision Watch. 18k YG Ladies 8648 Dainty 1940s Ladies Rolex
By Rolex
Located in Port Charlotte, FL
. Rolex Movement Ref. 8648. Beautiful Watch. Manual Windup mechanism.  Case is 18k 750 Yellow gold Brand
Category

Vintage 1940s Modern Wrist Watches

Materials

18k Gold, White Gold

Bracelet Vintage 1960s in 18 Carat Yellow Gold Wavy Mesh
Located in Paris, FR
Articulated Domed Tank bracelet in 18K (750°/°°) yellow gold, Wavy Mesh Tank Bracelet from the
Category

Vintage 1960s French Retro Cuff Bracelets

Materials

18k Gold, Yellow Gold

White Pearl and Diamond Flower Ring in 18K Yellow Gold
Located in Honolulu, HI
, Excellent Stamped: "18K" "750"
Category

21st Century and Contemporary Unknown Modern Fashion Rings

Materials

Pearl, Diamond, Yellow Gold, 18k Gold

Vintage Art Deco 1940s Coral Gold Ring
Located in Cairo, EG
diamonds ring was made in europe 1940/1950.c hall marked 18k 750 gold finest
Category

Vintage 1940s Cocktail Rings

Baguette and Brilliant Cut Diamond Multi Row Hinged Bangle in 18k White Gold
Located in Honolulu, HI
Stamped: "18K" "750" "D3.50"
Category

Late 20th Century Unknown Modern Bangles

Materials

Diamond, Gold, White Gold, 18k Gold

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18k 750 For Sale on 1stDibs

Find the exact 18k 750 you’re shopping for in the variety available on 1stDibs. Frequently made of Gold, 18k Gold and White Gold, this item was constructed with great care. Our collection of these items for sale includes 94 vintage editions and 56 modern creations to choose from as well. Finding the perfect 18k 750 may mean sifting through those created during different time periods — you can find an early version that dates to the 19th Century and a newer variation that were made as recently as the 21st Century. Creating a 18k 750 has been a part of the legacy of many jewelers, but those produced by Cartier, MC750 and Tiffany Co. are consistently popular. A 18k 750 of any era or style can lend versatility to your look, but a version featuring Diamond, from our inventory of 68, is particularly popular. 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 18k 750, as most of the options available are for women and unisex.

How Much is a 18k 750?

Prices for a 18k 750 can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $750 and can go as high as $51,375, while this accessory, on average, fetches $4,600.

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.

Questions About 18k 750
  • 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.