18K Yellow Gold Rose Quartz Ring, Stamped 750, Size 6

Designed as three intertwined bands crafted out of 18K yellow, white and rose gold; ring size 5-3/4 (Cartier size 51); weight 6.8 g.  Signed les must de Cartier; Stamped 750; Numbered A8809D.

18K yellow and white gold ring set with a large 12.7mm rose cut citrine surrounded by round cut diamond accents. Ring size 6.5. Stamped 750. Approx. weight 9.1 grams.

Sterling Silver & 18K Yellow Gold Gemstone Ring. Stamped 925 750, alternating bezel set semi-precious stones, amethyst, peridot, blue topaz, citrine, rose quartz, pink tourmaline, ring size 7, weight

cartier trinity tri color 18k gold 4 chain bracelet 2 rose gold, and 2 yellow gold chains attached to the charm ring from each side stamped cartier 750, and serial # Size: approx 6 inches

H. Stern Large Oval Cut Quartz and 18 Karat Yellow Gold Ring with Small Cognac Diamond Accents and with Box Signed (logo), stamped 750. Quartz measures 25mm x 23mm. Ring size 6. Approx. weight: 19.9 g

Cartier 18k yellow gold love ring; signed Cartier and stamped 750 and ITO. (Size 6 1/2).

Vintage Oval Cut Amethyst and 18 Karat Yellow Gold Ring. Stamped 750. Ring size 6-3/4. Approx. weight: 15.9 grams.

18K yellow gold and green enamel ring, stamped "Tiffany & Co. 750". 4.3 dwt. Size 6.

18K Yellow Gold and Green Hardstone Ring, Ring with reticulated foliate design, stamped, "750", size 6, approx. 6.77 dwt total weight.

Cartier 18K Yellow Gold Leopard Ring with Emerald Eyes, stamped Cartier 750 63181752, 10.36 dwt Size 6

18K Gold, Rose Quartz & Diamond Cocktail Ring. Stamped inside band. Approx. 150 melee diamonds equal 2.1 ctw. Ring Size: 6.5 Total Weight: 12.7 g. Approx. Colored Stone Weight: 24 ct - All silver, gol

Vintage Italian Amber and 18 Karat Yellow Gold Ring. Stamped 750, Italian hallmark. Ring size 6. Approx. weight: 3.8 dwt. Estimate: $100.00 - $300.00 Domestic Shipping: $40.00 Condition: Very good vin

Cartier 18k Yellow and White Gold Ring, stamped Cartier 750 1997 and serial #G79057 with accompanying Cartier certificate dated 6-23-99 2.95 dwt Size 6

Cameo 18K yellow gold ring, 1.9 dwt, stamped:750, woman in profile wearing pearl necklace, finger size 6 1/2

18K Yellow gold ring with approx. 1.2 carat round faceted ruby flanked by channel-set tapered baguette diamonds totaling approximately 0.3 carats. US ring size 6.25; stamped 750 with indistinct maker'

Vintage Mayor's Round Brilliant Cut Diamond, 18 Karat Yellow Gold and Ancient Coin Ring. Signed, stamped 750. Ring size 6. Approx. weight: 16.65 grams. Condition: Good vintage condition. Surface wear

Elsa Paretti for Tiffany & Co Three Diamond and 18 Karat Yellow Gold Delicate Snake Ring. Signed, stamped 750, Spain. Ring size 6. With Tiffany box. Approx weight: 4.4 grams. Condition: Very good cond

A large rose quartz stone in a Brutalist 18K yellow gold setting. Size 6 1/2. 39.8 dwt. inclusive. 20th century, American. In good condition.

Vintage 1990s Hidalgo 18k yellow gold and diamond 'Eternity' ring band. Ring size 6.5. Stamped HIDALGO 750. Weight 2.5 grams.

Pear Shape Mabe Pearl, Round Brilliant Cut Diamond and 18 Karat Yellow Gold Ring. Pearl with good luster and polish. Diamonds H-I color, VS clarity. Stamped 750. Ring size 6-1/2. Approx. weight: 10.29

Containing one oval prong set faceted amethyst within pear form brushed yellow gold setting, stamped 750, total gross weight approx. 4.00dwts Ring size 6.

A vintage 18K yellow gold, enamel, and white opal cocktail ring with emeral accents. Stamped " 750" and maker's mark on the inside. Gross weight: 11g or 7.07 dwt. Ring size: 6.25 US

METAL: 18K gold. GEMSTONES: diamonds, rose quartz -18.7mm x 18.7mm (RI 1.54). MEASUREMENTS: ring size 6.75. Ring top is 18.7mm x 18.7mm. MARKED: 750, maker's hallmark. WEIGHT: 13.5 grams. Gemstone

Stamped 750 S, snake form with one small diamond, weight approx. 6.0dwts Ring size 6-1/2