Exquisite Platinum Opal 3.50 Ct Diamond Ring with 24 G-H DiamondsDiamond Depot4.3(10)$1,4501 day Left
Stunning Platinum Opal and Diamond Ring 40 Diamonds 4.00 Ct OpalMynt Auctions4.4(818)$100(1 bid)316 Lots Away
Tanzanite, Diamond and Opal Ring 14k White Gold 1.10ctwPapps Family Liquidation4.3(378)$6303 days Left
Natural White Pearl 925 Sterling Silver Ring Jewelry Size 9Treasure of Gems & Jewelry4.4(212)$1Feb 08, 2026
Platinum Diamond Ring 1.15 Ct G Color SI2 with 16 Accent DiamondsDiamond Depot4.3(10)$4,2502 days Left
Natural White Pearl 925 Sterling Silver Ring Jewelry 4.55 Grams Size 10Treasure of Gems & Jewelry4.4(212)$1Feb 08, 2026
SoldPlatinum Opal and Diamond Flower RingContaining one opal cabochon approximately 7.8 x 7.5 mm. With five marquise and sixty-three single and full cut diamonds, approximately 2.35 carats total weight. Approximately size 4.5 on mandrel (shaSee 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
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
SoldTiffany & Co. Platinum Diamond Flower RingAn elegantly neat and subtle platinum body serves as a worthy pedestal for a majestic arrangement of glistening diamonds weighing in total 0.50ct in this wonderfully alluring ring from Tiffany & Co. RSee Sold Price
SoldPlatinum Diamond Flower RingPlatinum Diamond Flower Ring Size (6.5) split tapered shank ring with a floral motif containing a (0.95ct) (-SI2) brilliant round cut diamond center stone surrounded by diamond rounds measuring approxSee Sold Price
SoldPlatinum Opal Diamond RingPlatinum Weight 7.10g Opal Approx. 1.12ct Diamond Approx. 0.67ct RingSee 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
SoldPlatinum Opal Diamond RingPlatinum Weight 7.1g Opal Approx. 7ct Diamond Approx. 2ct RingSee 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
SoldPlatinum Opal Diamond RingPlatinum Opal Diamond Ring, featuring one heart shaped opal cabochon weighing approx. 2.30 carats, further adorned with 12 old European cut diamonds weighing a total of approx. 0.80 carat, marked: "PLSee Sold Price
SoldMidcentury 18k Gold Platinum Diamond Flower RingMETAL: 18k Gold/ Platinum. MEASUREMENTS: Ring size 5, top is 21mm x 23mm. GEMSTONES: Diamonds - total approx. 34 stones. Center approx. 0.45-0.50ct, stone is chipped. Side stones approx. 1.00ctw. TESTSee Sold Price
SoldPlatinum, Opal & Diamond Ring 7.49ct, 10.5 Grams Jewelry Gemstone Natural Australian Diamondssize: 4, weight: 10.5 grams, material: platinum, gemstones: Australian opal: 7.35ct diamonds: 0.13ctw SI clarity G-H colorSee Sold Price
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
Sold14K OPAL & DIAMOND FLOWER RING14KT Yellow gold ring with (10) Australian opals in the form of a flower, each accented with a diamond. Size 6 1/2See 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
SoldPlatinum Opal Diamond Estate RingPlatinum Opal Diamond Estate Ring Stock # 38216 Beautiful opal diamond estate ring fashioned in platinum. The 5.2 carat fiery opal is surrounded by 14 round brilliant cut diamonds weighing approximateSee Sold Price
Sold1970's Platinum Black Opal & Diamond Ring1970's Platinum Black Opal & Diamond Ring. The ring is centrally set with a large oval cabochon cut black peacock opal. It exhibits a fine blue to green harlequin play of color. It weighs approx. 5.99See Sold Price
SoldEdwardian platinum opal and diamond ring, unmarked. Ring size 6.Edwardian platinum opal and diamond ring, unmarked. 1 cttw. total 3.134 DWT The purchase of gold and platinum requires confirmed funds. Provenance: From the collection of Sue Rudman, owner of AntiqueSee Sold Price
SoldPlatinum Opal Diamond Rosetta RingPlatinum Weight 11g Opal Approx. 10ct Diamond Approx.1.1ct Rosetta Ring Size 7 Measurements 0.96”x0.78See Sold Price
SoldPlatinum 8.22ct Opal Diamond RingMetal Content: Platinum. Weight of Item: 13.4 grams.Size: Ring size 5.75, top - 21mm x 20mm. Gemstone: Opal, Diamonds. Carat Weight: 8.22ct, 1.55ctw. Stamp: pt900, 8.22, 1.55.See Sold Price
SoldA platinum opal and diamond ring. The opal cabochon,A platinum opal and diamond ring. The opal cabochon, with pave-set diamond shoulders. Approximate diameter of opal 10mms. Estimated total diamond weight 0.20ct. Hallmarks for Birmingham. Ring size N 1See Sold Price
SoldPlatinum, Opal and Diamond RingPlatinum, Opal and Diamond Ring, mounted with a round cabochon-cut opal, with an approximate weight of 1.91 carats, two pear-cut and thirty-two baguette-cut diamonds, with an approximate total weightSee Sold Price
SoldTiffany & Co Platinum Diamond Blossom Flower RingMETAL: Platinum. GEMSTONES: Diamonds approx. 0.31ctw. MEASUREMENTS: Ring size 3 1/2, ring top is 7.9mm wide. MARKED: Tiffany & Co PT950. WEIGHT: 4.1 grams.Gemstones have not been graded for colorSee Sold Price
SoldA Platinum Opal and Diamond Ring,A Platinum Opal and Diamond Ring,Set with one cabochon cut opal approx; 15.60mm x 11.4mm x 5mm. Also set with twenty-eight old European cut diamonds, each approx .01-.03pts. Ring size: 7 1/2 Approx. wSee Sold Price