Sold2022AN OPAL AND DIAMOND DRESS RING in platinum, set with two cabochon opals and two old cut diamonds,AN OPAL AND DIAMOND DRESS RING in platinum, set with two cabochon opals and two old cut diamonds, the diamond both totalling 0.4-0.5 carats, stamped PT, size M / 6, 3.6g.See Sold Price
Sold2023Black Opal and Diamond Ring PLATINUMOpal and Diamond Ring. Speckled with blues and greens, this 8.15 carat black opal is prong set in a platinum ring with .18 carats of round, brilliant-cut, G-I color, SI1-SI2 clarity diamonds on the siSee Sold Price
Sold20161970'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
Sold2019LADY'S OPAL & DIAMOND PLATINUM RINGBlack opal triplet with diamond halo set in platinum. Size- 6.5 Approximate total diamond weight- 0.70 cttw Weight- 9.0 grams Condition- heavy scratches to opal. In-house shipping available within conSee Sold Price
Sold2018Art 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
Sold2022AN ART DECO SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an emerald cut blue sapphire ofAN ART DECO SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an emerald cut blue sapphire of 5.88 carats, between stepped shoulders set with baguette cut diamonds, stamped Platinum, size N / 6.75See Sold Price
Sold2022AN ART DECO DIAMOND DRESS RING in platinum, set with an old cut diamond of 2.20 carats, betweenAN ART DECO DIAMOND DRESS RING in platinum, set with an old cut diamond of 2.20 carats, between pairs of old cut diamonds, French assay marks for platinum, size L / 5.5, 5.8g.See Sold Price
Sold2023AN ART DECO SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an old cut diamond ofAN ART DECO SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an old cut diamond of approximately 1.50 carats in a double border of step cut sapphires and old cut diamonds, the band accented by fuSee Sold Price
Sold2023A SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an emerald cut diamond of approximately 0.40A SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an emerald cut diamond of approximately 0.40 carats, accented by French cut sapphires and round brilliant cut diamonds, further round brilliantSee Sold Price
Sold2023A PINK TOURMALINE AND DIAMOND DRESS RING in platinum, set with an oval-shaped fancy cut pinkA PINK TOURMALINE AND DIAMOND DRESS RING in platinum, set with an oval-shaped fancy cut pink tourmaline of 13.95 carats, the trefoil shoulders and shank accented with round cut diamonds, no assay markSee Sold Price
Sold2022A BROWN DIAMOND DRESS RING in platinum, set with a round cut brown diamond between two pear cutA BROWN DIAMOND DRESS RING in platinum, set with a round cut brown diamond between two pear cut brown diamonds, in a border of round brilliant cut white diamonds, the diamonds all totalling 1.5-1.7 caSee Sold Price
Sold2022A SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an oval cut sapphire within two concentricA SAPPHIRE AND DIAMOND DRESS RING in platinum, set with an oval cut sapphire within two concentric rows of round brilliant cut diamonds, each shoulder set with a trio of round brilliant cut diamonds,See Sold Price
Sold2020AN EMERALD AND DIAMOND DRESS RING in platinum, set withAN EMERALD AND DIAMOND DRESS RING in platinum, set with an emerald cut emerald of 0.37 carats between trios of old cut diamonds, stamped PLAT, size L / 5.75, 2.7g.See Sold Price
Sold2019EMERALD AND DIAMOND DRESS RING in platinum, set with anEMERALD AND DIAMOND DRESS RING in platinum, set with an emerald cut emerald in a cluster of old cut diamonds, stamped 950, size O / 7, 2.70g.See Sold Price
Sold2020A SOLITAIRE DIAMOND DRESS RING in platinum, set with aA SOLITAIRE DIAMOND DRESS RING in platinum, set with a round cut diamond within a tapering band, full British hallmarks, size M / 6, 4.1g.See Sold Price
Sold2023NO RESERVE - AN AMETHYST AND DIAMOND DRESS RING in platinum, set with an oval cut amethyst accentedNO RESERVE - AN AMETHYST AND DIAMOND DRESS RING in platinum, set with an oval cut amethyst accented by four round brilliant cut diamonds, stamped PT900, size L1/2 / 6, 4.7g.See Sold Price
Sold2021Australian Black Opal & Diamond Set Platinum PendantDESCRIPTION: An antique black opal pendant necklace. Features a 16-18 Carat Opal, further completed with diamond set platinum bow in a 14kt yellow gold setting. Complete with a 14kt yellow gold box chSee Sold Price
Sold2016Black Opal, Diamond, Platinum Ring, Ayres The rBlack Opal, Diamond, Platinum Ring, Ayres The ring features a pear-shaped black opal cabocSee Sold Price
Sold2023Black Opal and Diamond Halo Ring PLATINUMOpal and Diamond Ring. A .94 carat cabochon black opal is raised above a .78 carat round, brilliant-cut and baguette, G-I color, SI1-SI2 clarity diamond skirt on a platinum ring. The ringSee Sold Price
Sold2021AQUAMARINE AND DIAMOND DRESS RING, HIRSH in platinum,AQUAMARINE AND DIAMOND DRESS RING, HIRSH in platinum, set with an emerald cut aquamarine of 1.72 carats, accented by two round cut diamonds, signed Hirsh, full British hallmarks, size L / 5.5, 5.4g.See Sold Price
Sold20215.90ct Black Opal, 2.00ctw Diamond Platinum Ring5.90ct Black Opal, 2.00ctw VS2-SI1/G-H Diamond Solid Platinum Ring - This beautiful ring was finely crafted of solid platinum and boasts a 5.90ct (approximate) genuine black opal which displays an exqSee Sold Price
Sold20213.50ct Black Opal, 2.00ctw Diamond & Platinum Ring3.50ct Black Opal, 2.00ctw SI1-SI2/G-H Diamond and Solid Platinum Ring - This ring is crafted of solid platinum and boasts an approximately 3.50ct black opal which displays beautiful flashes of greenSee Sold Price
20215.85ct Black Opal, 0.85ctw Diamond Platinum Ring5.85ct Black Opal, 0.85ctw VS1-VS2/G-H Diamond Solid Platinum Ring - This lovely ring was finely crafted of solid platinum and is decorated with a 5.85ct (approximate) black opal which displays a blacSee Sold Price
Sold20212.15ct Black Opal, 0.95ctw Diamond Platinum Ring2.15ct Black Opal, 0.95ctw VS1-VS2/G-H Diamond Solid Platinum Ring - This lovely ring was finely crafted of solid platinum and boasts a 10.5mm round cut black opal which displays beautiful vivid flashSee Sold Price
1 day LeftElmwood'sAN ART DECO BLACK OPAL AND DIAMOND RING in platinum, set with an oval cabochon black opal, the£12,000
Jun 25Miami Auction GalleryEstate GIA Large Black Opal Diamond Platinum Cocktail Ballerina RingUS$42,000
1 day LeftElmwood'sAN EXCEPTIONAL FIRE OPAL AND DIAMOND CLUSTER RING in platinum, set with an oval cabochon fire opal£3,000
1 day LeftElmwood'sAN ART DECO DIAMOND AND EMERALD DRESS RING in platinum, set with an old European cut diamond of£3,500
Jun 15Crescent City Auction Gallery14K White Gold Ladies' Black Opal and Diamond Ring, Total Diamond Wt.- app. 1.5 carats, Gold Wt.-US$850
Jun 13Mynt AuctionsDavid Webb Platinum & 18K Yellow Gold Black and White Bombe Diamond Enamel RingUS$5
Jun 14Harrington's Auctioneers & AppraisersGem Lab Certified 14k White Gold,Black Opal & Diamond RingCA$800
Jun 24Platinum Auction GroupJudith Ripka Diamond Ring Onyx 18k Yellow Gold Cocktail RingUS$300(1 bid)