SoldAntique 18k Gold Platinum Opal Diamond RingRing size 6 1/4, ring top is 19mm x 13mm. Set with two 5.3mm opals and approx. 0.20ctw in diamonds. Marked: 18k plat. Weight - 5.8 grams.Gemstones have not been graded for color and clarity ,and testeSee Sold Price
Vintage Platinum Opal Diamond RingJewelry: Vintage Platinum Opal Diamond Ring Gemstones: Opal, Diamond Opal Weight: 3.7 ctw Diamond Weight: 1.10 ctw Total Gemstone Weight: 4.8 ctw Opal Shape: Oval, Cabochon Diamond Color/Clarity: G-H,See Sold Price
SoldPlatinum Opal & Diamond RingStamped platinum, containing 12 small round prong set diamonds, 4 baguette diamonds, gross weight approx. 2.9dwts Rng size 6-1/2See Sold Price
SoldPlatinum Opal Diamond RingBlack opal doublet surrounded by 20 diamonds in a platinum mount. 5.7 dwt. Approximately 1cttw diamonds. The ring is 3/4 inch high 5/8 inch wide size 4 1/2See Sold Price
SoldLadies Victorian Era 14k Platinum Opal & Diamond RingLadies antique Victorian era Opal and Diamond ring. Crafted of 14k gold and platinum. Set with a stunning Opal center stone measuring 11.6mm x 8.3mm. Surrounded by a halo of 18 European cut Diamonds wSee Sold Price
SoldArt Deco Platinum, Opal & Diamond RingArt Deco Platinum, Opal & Diamond Ringcentered on a prong set, oval black opal (14.97 x 10.48 x 5.03 mm) with three single cut diamonds on either side weighing approximately .11 total carat (H-I colorSee Sold Price
SoldPlatinum, Opal & Diamond RingPlatinum ring; centering an opal cabochon weighing approx. 3.90 Cts., encircled by a halo of round diamonds; stamped PT900 to shank; total weight approx. 8.4 grams; size 5 1/2See Sold Price
SoldJEWELRY. Signed Platinum, Opal and Diamond Ring.Signed antique/Art Deco platinum ring with central bezel set oval cut opal with openwork surround of single cut diamonds. Opal measures approx. 8mm x 9.5mm. Surround comprised of (58) single cut diamoSee Sold Price
SoldAn Art Deco Platinum, Opal, and Diamond RingAn Art Deco Platinum, Opal, and Diamond Ring within an openwork setting with hand engraved details, containing one oval cabochon cut opal measuring approximately 19.50 x 15.50 x 10.15 mm and numerousSee Sold Price
SoldEstate Platinum Opal & Diamond Cocktail RingEstate Platinum Opal & Diamond Cocktail Ring. Hallmarked. Having a cabochon cut opal at center with small white diamonds. Ring size 6.5, can be resized. Weighs approximately 3.1 grams inclusive.See Sold Price
Antique Platinum Cabochon Opal & Diamond RingAntique Platinum Cabochon Opal & Diamond Ring. Ring size 4.5 can be resizedSee Sold Price
SoldPlatinum, Opal and Diamond RingPlatinum, Opal and Diamond Ringcentering on one opal (approximately 2.95 carat) set in a six-claw prong setting flanked on each side with one full cut round diamond (approximately .40 total carat weigSee Sold Price
SoldA Platinum, Opal and Diamond Ring, 5.85 dwts.A Platinum, Opal and Diamond Ring, consisting of one oval cabochon cut opal measuring approximately 12.80 x 10.45 x 4.00 mm and 15 round brilliant cut diamonds weighing approximately 1.50 carats totalSee Sold Price
SoldA Platinum, Opal and Diamond Ring, 4.80 dwts.A Platinum, Opal and Diamond Ring, containing one oval cabochon cut opal weighing approximately 7.75 carats and 24 round single cut diamonds weighing approximately 0.36 carat total. 4.80 dwts.See Sold Price
SoldLADY'S RING - Platinum, Opal and Diamond Ring, ca 1915,LADY'S RING - Platinum, Opal and Diamond Ring, ca 1915, with oval opal in pierced quatrefoil motif mounting set throughout with full and single-cut diamonds. With millegrain accents. Oval white opal:See Sold Price
Edwardian Platinum Opal and Diamond Ring, 5 ctwItem: Estate Edwardian Style Green Oval Opal Diamond Cocktail Ring Date: ca. 950 Ring Size: 5 Metal: Platinum Total Weight: 6 grams Opal: 1 bezel-set cabochon cut oval opal, 5 carats, 14 x 10.5 x 4.33See Sold Price
Art Deco, Platinum, Opal and Diamond RingArt Deco, Platinum, Opal and Diamond Ring within an openwork setting with hand engraved details, containing one oval cabochon cut opal measuring approximately 19.50 x 15.50 x 10.15 mm and numerous oldSee Sold Price
SoldA Platinum Black Opal & Diamond RingPlatinum ring featuring very fine black opal with strong blue and green play of color measuring 11.9 x 16 mm set in the center with 6 baguettes set on the side of the ring, sz 7.25, 9.7 gramsSee Sold Price
SoldPLATINUM, BLACK OPAL & DIAMOND RINGBaguette diamonds with 8 to 10 carat oval opal . 2 side diamonds are approx .15 carats. Total Weight: 7.4 gFace: 0.50" x 0.75"Ring Size: 5Condition: Good, like newSee Sold Price
SoldA Platinum, Opal and Diamond Ring, 20th Century.A Platinum, Opal and Diamond Ring, 20th Century. Ring size: 5.5 Weight: 5.9 dwt.See Sold Price
SoldPlatinum, Opal and Diamond RingPlatinum, Opal and Diamond Ring , central prong set cabochon opal, wt. approx. 3.70 cts, 11.75 x 9.50 mm; flanked by cluster of prong set round and tapering cut diamonds, total diamond wt. approx. 0.2See Sold Price
SoldA mid 20th century 18ct gold and platinum opal andA mid 20th century 18ct gold and platinum opal and diamond ring. The circular-shape opal cabochon, with old-cut diamond shoulders. Estimated total diamond weight 0.15ct. Ring size W1/2. Weight 2.6gms.See Sold Price
SoldPLATINUM BLACK OPAL AND DIAMOND RING 3.00CTHAND MADE SET WITH APPROX. 2.30CT BLACK OPAL AND .80CT ACCENT MARQUIS CUT H-I COLOR SI QUALITY DIAMONDS TWT 8.3 GRAMS SIZE 6.50See Sold Price
SoldArt Deco Platinum, Black Opal, Diamond & Ruby RingArt Deco platinum, black opal, diamond and ruby horseshoe ring, size 5 3/4, containing 14 old European cut diamonds approximately .30 cts, 8 calibrated rubies and one black opal 14mm x 8mm, marked "10See Sold Price
GIA 2.79ct Natural Black Opal Diamond Platinum Ballerina Cocktail RingMiami Auctions & Appraisals LLC 4.4(32)See Sold PriceFeb 26, 2024
Platinum Setting with 8.50ct Opal and 0.70ct Diamond Ladies RingRiverside Galleries4.5(173)See Sold PriceFeb 23, 2024
Platinum Setting with 4.68ct Opal and 1.76ct Diamond Ladies RingRiverside Galleries4.5(173)See Sold PriceFeb 24, 2024
Platinum Setting with 8.72ct Fire Opal and 0.45ct Diamond Ladies RingRiverside Galleries4.5(173)See Sold PriceFeb 24, 2024
Platinum Setting with 1.85ct Opal and 0.75ct Diamond Ladies RingRiverside Galleries4.5(173)See Sold PriceFeb 25, 2024
Platinum Setting with 3.47ct Opal and 0.74ct Diamond Ladies RingRiverside Galleries4.5(173)See Sold PriceFeb 25, 2024
Platinum Setting with 4.48ct Opal and 0.61ct Diamond Ladies RingRiverside Galleries4.5(173)See Sold PriceFeb 25, 2024
Platinum Setting with 10.22ct Opal and 0.50ct Diamond RingRiverside Galleries4.5(173)See Sold PriceFeb 26, 2024
Platinum Setting with 4.18ct Fire Opal and 0.54ct Diamond Ladies RingRiverside Galleries4.5(173)See Sold PriceFeb 26, 2024
11.52cts GIA Black opal Diamond Platinum Halo Cocktail RingMiami Auctions & Appraisals LLC 4.4(32)See Sold PriceFeb 26, 2024
Platinum Setting with 8.72ct Fire Opal and 0.45ct Diamond Ladies RingRiverside Galleries4.5(173)See Sold PriceFeb 27, 2024
Platinum and 18K Yellow Gold Setting with 0.80ct Opal and 0.19ct Diamond Ladies RingRiverside Galleries4.5(173)See Sold PriceFeb 27, 2024
Platinum Setting with 4.68ct Opal and 1.76ct Diamond Ladies RingRiverside Galleries4.5(173)See Sold PriceFeb 28, 2024
Platinum Setting with 8.50ct Opal and 0.70ct Diamond Ladies RingRiverside Galleries4.5(173)See Sold PriceFeb 28, 2024
Platinum Setting with 3.47ct Opal and 0.74ct Diamond Ladies RingRiverside Galleries4.5(173)See Sold PriceFeb 29, 2024
Platinum Setting with 1.85ct Opal and 0.75ct Diamond Ladies RingRiverside Galleries4.5(173)See Sold PriceFeb 29, 2024
Platinum Setting with 4.48ct Opal and 0.61ct Diamond Ladies RingRiverside Galleries4.5(173)See Sold PriceFeb 29, 2024