14K WHITE GOLD RING WITH 1CT OPAL AND 0.66CTS DIAMONDS (SIZE: 6) 3.3 GRAMSModern Jewelry4.5(203)$1,475Feb 22, 2026
Stunning Platinum Opal and Diamond Ring 40 Diamonds 4.00 Ct OpalDiamond Depot4.3(10)$2,3002 days Left
14K WHITE GOLD RING SET WITH NATURAL OPAL AND 0.06CTS DIAMONDS SIZE: 6.25 3.3GModern Jewelry4.5(203)$650Feb 08, 2026
Exquisite Platinum Opal 3.50 Ct Diamond Ring with 24 G-H DiamondsDiamond Depot4.3(10)$1,4502 days Left
TIFFANY & CO. OPAL RING DIAMOND PLATINUM 16.74CT OVAL TOP COCKTAIL STYLE VINTAGEModern Jewelry4.5(203)$35,500Feb 08, 2026
SoldPlatinum Opal Diamond Cocktail RingPlatinum cocktail ring, with oval 15.5 x 12.5mm opal, surrounded with approx. 0.20ct win diamonds . Opal is slightly loose in the setting. Ring size - 5.75, ring top - 17mm x 20mm. Marked 900pt. WeighSee 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
SoldPlatinum 15.45ct Opal Diamond Cocktail RingMETAL: Platinum. MEASUREMENTS: Ring size - 8 1/4, ring top - 26mm x 26mm. GEMSTONES: 15.45ct opal, measures 23.3mm x 19.9mm, shows natural crazing. Diamonds - approx. 0.48ctw. MARKED: Pt900, 1545. WEISee Sold Price
SoldPlatinum Opal and Diamond Cocktail Ring Size 6.5Vintage Platinum Opal and Diamond Cocktail Ring. Size 6.5, 7.1 grams total weight. Oval cabochon opal prong set flanked by emerald and radiant cut diamonds in prong setting.See Sold Price
SoldPlatinum 1.83ct Opal Diamond Cocktail RingPlatinum cocktai lring, set with a 1.83ct al opal, surrounded eith 0.25ctw in diamonds. Ring size - 6, ring top - 18mm x 15mm. Marked: 900Pt, D025, 1.83. Weight 9.4 grams.See Sold Price
SoldOpal and Diamond Cocktail Ring in PlatinumPlatinum opal and diamond cocktail ring, 3.37ct oval black opal with round and tapered baguette diamonds at 1.16 carat total weight, G-H color VS clarity, size US 7.5, 8.79 gramsSee Sold Price
Sold11.39ct Opal Diamond Platinum Cocktail RingMetal : Platinum Designer : Not Signed Gemstone : Opal cabochon 11.39ct, Diamonds 1.25ctw Measurements : Ring size 8.75, top is 23 x 19mm Marked: : pt900, 11.39, 1.25 Weight: 13.3See Sold Price
SoldPlatinum Diamond 2.09ct Opal Cocktail RingMETAL: Platinum. GEMSTONES: with center 2.09ct opal, and 2.25ctw in diamonds. MEASUREMENTS: Ring size - 6.5, ring top - 18mm x 16mm. MARKED: 1.11, Pt900, 2.09. WEIGHT: 8.5 grams.Gemstones have not beeSee Sold Price
SoldLADIES PLATINUM DIAMOND BLACK OPAL COCKTAIL RINGLADIES PLATINUM DIAMOND BLACK OPAL COCKTAIL RING Ladies .900 Platinum diamond cocktail fashion ring with oval cut black opal center stone. Diamond carat weight total is approximately .40cts, opal measSee Sold Price
SoldGIA 5.39 cts Black Opal & Diamond Ballerina Cocktail Ring in PlatinumGIA 5.39 cts Black Opal & Diamond Ballerina Cocktail Ring in PlatinumSee Sold Price
Sold7.99 Carat Opal and 0.48 Carat Diamond Platinum Cocktail RingCirca 1950s platinum cocktail ring with 2.99 carat oval opal, and accent diamonds at 0.40 carat total weight, G color VS clarity. Size US 7, 11.7 grams.See Sold Price
SoldBlack Opal Slate, 1ctw Diamond & Platinum Ring18.5mm Black Opal Slate, 1.00ctw VS1-VS2/F-G Diamond & Solid Platinum Cocktail Ring W/Emerald Accents - This beautiful ring was finely crafted of solid platinum, and boasts a lovely, 18.5mm black opalSee Sold Price
SoldTwo Gold Cocktail RingsA platinum and 14k ring set with small diamonds and a five piece 14k ring set with small opals. Dimensions: Size 6 and size 5. The total approximate gross weight is 9.1 dwt. Provenance: From a local cSee Sold Price
SoldA Platinum & Diamond Cocktail Ring, Cartier, c.1946Auction announcements 16th November 2016 Lot 17: The correct starting price is 3,600 €. An Exquisite Platinum & Diamond Cocktail Ring, by Cartier, London, circa 1946 Designed as a pair of stylised tSee Sold Price
SoldArt Deco Platinum Diamond Cocktail RingArt Deco Platinum Diamond Cocktail Ring Weighing 8.7 grams Set with a 1.10 Ct. Diamonds in Center Along with 8 Diamonds weighing app. 5.60 Ct. F-G Color, VVS-VS Clarity Ring Size 7See Sold Price
SoldTiffany & Co. Vintage 14K Gold & Platinum Opal Diamond RingVintage Tiffany & Co. 14K yellow gold and platinum ring, ring size approx. 6.5, centered by a large oval cabochon opal exhibiting exceptional play-of-color with vivid flashes of green, orange, red, anSee Sold Price
SoldA Lady's Platinum Diamond Cocktail RingPlatinum ring featuring round brilliant cut diamond weighing approx. 1.85 ct set in the center of the ring with 16 additional diamond weighing approx. 2.20 ctw set in prongs in an oval flared frame roSee Sold Price
SoldPlatinum Diamond Cocktail RingMetal : Platinum Designer : Not Signed Gemstone : Center star red stone cabochon - 13.3 x 11.2 x 6.8mm, Diamonds approx. 1.40ctw Measurements : Ring size 7, top is 18mm x 20mm Marked: : PlatSee Sold Price
SoldHubert Fire Opal Diamond Cocktail RingMetal : 18k Gold Designer : Hubert Gemstone : Diamonds approx. 0.38ctw, Fire opal. Measurements : Ring size 6.5, top is 30mm x 26mm. Marked: : Hubert, 18k, USA, RH6845. WeighSee 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 Weight 7.10g Opal Approx. 1.12ct Diamond Approx. 0.67ct RingSee Sold Price
SoldVintage 1960's Oval Opal Diamond Cocktail Ring 12K Yellow Gold, 13.45 GramsDescriptionVintage 1960's Oval Opal Diamond Cocktail Ring 12K Yellow Gold, 13.45 GramsMake a statement with this one-of-a-kind cocktail ring. Please let us know if you have any questions.Circa: 1960'sSee Sold Price
SoldPLATINUM OPAL & DIAMOND RINGIntroducing the Platinum (PLAT) Natural Black Opal and Diamond Ring by Oscar Friedman, a symbol of exquisite beauty and luxury. This stunning ring features an oval cabochon-cut natural black opal gemsSee Sold Price
SoldArt Deco Platinum & Diamond Cocktail Ring Three LargeAK JAT0 Art Deco Platinum and Diamond Cocktail Ring Three Large Stones Wonderful pendant that is a great addition to your collection. Weight is 4.3 grams Made of Diamonds (Large Diamonds are about 0.4See Sold Price
