An 18 Carat Gold Ring set with Diamonds and Sapphires. Stamped 750, Size N, weight 2.4g

A SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with a round cabochon sapphire of approximately 7.18 carats, accented by trios of rose cut diamonds, stamped 750, size N / 6.75, 7.1g. 

An 18 Carat Gold and Three Stone Opal Ring set with Diamonds... Stamped 18CT, Size N, weight 4.3g

Vintage Gemstone and 18 Karat Yellow Gold Ring. Set with small round cut diamonds, rubies and sapphires. Stamped 750. Ring size 7-1/2. Approx. weight: 11.60 grams. Estimate: $500.00 - $700.00 Domestic

A SAPPHIRE AND DIAMOND RING, in 18 carat yellow gold, set with a central oval cut sapphire framed by round cut diamonds with further square cut sapphires to the shank, stamped 750, size O / 7, 3.7g.

Manner of Van Cleef & Arpels, 18 Karat Yellow Gold Perlee Clover ring set with twenty-eight brilliant cut diamonds. Stamped VCA 750. Ring size 6 1/2. Approx. weight: 15.0 grams.

An 18 carat gold ruby and diamond ring, set with alternating square shaped rubies and brilliant cut diamonds, stamped 750 with full Sheffield hallmarks, finger size K

A Victorian Diamond and Sapphire Ring. Set in 18 carat yellow gold. Stamped 18 ct. Size I. 3.8 grams.

AN 18 CARAT GOLD SAPPHIRE AND DIAMOND CLUSTER RING an oval-cut sapphire within a border of round brilliant-cut diamonds. Estimated total diamond weight 0.50ct, hallmarked London 2021, ring size N, 5.4

Diamond & sapphire ladies dress ring set in yellow gold, not hallmarked, but tested as 9ct carat gold or better. Ring size N, gross weight 2.0g.

A 3.00 CARAT SOLITAIRE DIAMOND RING in 18ct white gold, set with a round brilliant cut diamond of 3.00 carats, stamped 750, size N / 6.75, 6.9g. Accompanied by a gemological report from the GIA statin

A DIAMOND AND EMERALD RING in 18ct white gold, the geometric face set with a central old cut diamond of 0.60 carats accented by baguette cut emeralds and single cut diamonds, stamped 750, size N / 6.5

Italian Modern Design Round Brilliant Cut Diamond, Yellow Sapphire and 18 Karat Yellow and White Gold Flexible Mesh Link Ring. Signed SR, stamped 18K 750. Ring size: variable. Approx. weight: 8.51 gra

Vintage Six Round Cut Ruby, Pave Set Diamond and 18 Karat Yellow Gold Band. Rubies with vivid color. Stamped 750. Ring size 7. Approx. weight: 8.87 grams. Condition: Very good vintage condition. Sligh

Vancox Approx. .75 Carat Diamond and 18 Karat Yellow Gold Ring. Stamped 750, Vancox. Good condition. Ring size 7. Approx. weight: 13.84 grams. Shipping $28.00 (estimate $200-$250)

Approx. 14.07 Carat Oval Cut Sapphire, 1.05 Carat Diamond and 18 Karat Yellow Gold Ring. Diamonds G-H color, VS clarity. Signed 18K 750. Very good condition. Ring size 6. Approx. weight: 7.05 pennywei

AN UNHEATED RUBY AND DIAMOND RING in 18ct white gold, set with a cushion cut ruby of 1.87 carats, accented by carrie and round brilliant cut diamonds totalling 1.90 carats, stamped 750, size N / 7, 7.

A DIAMOND DRESS RING, BULGARI in 18ct yellow gold, pave set with round cut diamonds totalling 4.0-5.0 carats, signed Bvlgari, stamped 750, size N / 7, 10.9g.

2.10 Carat Emerald Cut Diamond and 18 Karat White Gold Engagement Ring with Micro Pave Diamond Accents. Diamond K-L color, VS1 clarity. Stamped 750. Ring size 6-1/2. Approx. weight: 4.6 grams. Domesti

Large Contemporary 40.23 Carat Oval Cut Prasiolite, 4.98 Carat Morganite, Diamond and 18 Karat White Gold Ring. Prasiolite measures 27.5 x 20.5mm. Stamped 750. Ring size 6-1/2. Approx. weight: 30.6 gr

A SAPPHIRE ETERNITY RING in 18ct white gold, set all around with a row of blue step cut and French cut sapphires all totalling 5.4-5.5 carats, stamped 750, size N / 7, 3.2g.

18k, 750 Stamped gold ring is set with 3 Oval Sapphires in a pattern with 4 pairs of diamonds for a total of 8 individual diamonds. Approx Weight 4.30g Approx size 10. Ships From Las Vegas, NV. FW

18k white gold ring band set with 18 square cut blue sapphires and twelve round brilliant cut diamonds. Ring size 8 Ω. Stamped 18k. Approx. overall weight 5 grams.

18K yellow gold ring; centering round faceted sapphire; mounted above floriform diamond-set mount; stamped 750, with hallmarks to shank; total weight approx. 2.4 grams; size 3 3/4

18K gold; three round brilliant-cut diamonds, approx. 0.20 carat; four round-cut sapphires, approx. 0.25 carat; ring size 7-1/4 inches; weight 2.87 g. Stamped: 750, Dutch hallmark PRO