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
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
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
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
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
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
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
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
SoldPLATINUM, Australian Opal & Diamond RING 15.26ctw, 12.52 Grams Natural jewelry gemston diamondsMaterial: pt900 platinum (10% palladium & 90% platinum), Size: 6.25, Weight: 12.52 grams, Gemstone: Australian opal 15.00ct 23mm x 17mm diamonds .26ctwSee Sold Price
SoldVictorian Platinum Gold Opal Diamond RingVictorian Platinum Gold Weight 5.1g Opal Approx. 6ct Diamond Approx. 0.67ct Ring Size 6.75 Measurements 0.9”x0.78”See Sold Price
SoldPlatinum, Firey Opal & Diamond RingCustom platinum and diamond split prong setting featuring a polished firey opal, 13mm in diameter, seventeen millgrain set diamonds, appx. 0.68 ctw., size 6 1/2.See Sold Price
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
SoldPlatinum Black Opal Diamond RingMETAL: Platinum. MEASUREMENTS: Ring size - 7.75, ring top is 15.6mm wide. GEMSTONES: Black opal - 15.6mm x 12mm x 5.1mm (stone has small chips/abrasions). Diamonds approx. 0.50ctw. MARKED: with polishSee Sold Price
SoldA PLATINUM, OPAL, AND DIAMOND RINGA PLATINUM, OPAL, AND DIAMOND RING Centering an opal cabochon measuring approximately 14.80 x 11.30 x 4.30 mm, bezel-set in an art deco filigree mount, with single-cut diamonds, engraved and millegraiSee Sold Price
SoldPlatinum 6.01ct Opal Diamond RingMetal : Platinum Designer : Not Signed Gemstone : Opal 6.01ct, Diamonds 0.45ctw Measurements : Ring size 7, top is 21mm x 15mm Marked: : pt900, 6.01, 0.45 Weight: 9.3 gramsSee Sold Price
SoldPLATINUM, Australian Opal & Diamond Ring 2.74ctw, 5.53 Grams JEWELRY GEMSTONE DIAMONDssize: 5.5, weight: 5.53 grams, material: platinum, gemstone: Australian opal: 2.74ct, diamonds: .05ctwSee Sold Price
3.09ct Opal and 0.92ctw Diamond Platinum RingMiami Auctions & Appraisals LLC 4.4(33)$110(3 bids)13 hrs Left
Platinum Setting with 8.72ct Fire Opal and 0.45ct Diamond Ladies RingRiverside Galleries4.5(187)$50Jul 21, 2025
Platinum Setting with 8.72ct Fire Opal and 0.45ct Diamond Ladies RingRiverside Galleries4.5(187)$50Jul 24, 2025
Platinum 16.29ct Australian Black Opal & 2.14ctw Diamond Ring, 6.25Gallery 634.5(234)$5,0006 days Left
Black Opal Platinum Small Diamond Ring Size 13 Pt900 Diamond [Second Hand]Hans Auction4.4(84)£400Jul 29, 2025
Estate Designer Freeform 4.26ct Black Opal Diamond Platinum RingOne Of A Kind Jewelry Creations Inc.$1,6504 days Left
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