GIA 3.02ct Natural Black Australian Opal Platinum Diamond Filigree Ring w/ ReportHess Fine Auctions4.5(239)$150(2 bids)Feb 28, 2026
Exquisite Platinum Opal 3.50 Ct Diamond Ring with 24 G-H DiamondsMynt Auctions4.4(826)$1006 days Left
Platinum Ladies Ring with 1.18ct Opal and 0.50tcw Adjacent DiamondsRiverside Galleries4.5(198)$505 days Left
Platinum Ladies Ring with 1.18ct Opal and 0.50tcw Adjacent DiamondsRiverside Galleries4.5(198)$50(1 bid)2 days Left
SoldOpal, Diamond, Platinum Ring The ring featuresOpal, Diamond, Platinum Ring The ring features an oval-shaped opal cabochon measuring 19.4See Sold Price
SoldNatural GIA Cert Opal Diamond Platinum RingA tremendous amount of color is exhibited through this GIA certified Australian opal. Placed in an exquisite hand made art deco platinum ring that has been designed with clean, white diamonds. Size 5-See Sold Price
SoldArt Deco Opal, Diamond, Platinum Ring The ringArt Deco Opal, Diamond, Platinum Ring The ring features an oval-shaped opal cabochon measuSee Sold Price
SoldBlack Opal, Diamond, Platinum Ring, Ayres The rBlack Opal, Diamond, Platinum Ring, Ayres The ring features a pear-shaped black opal cabocSee Sold Price
SoldLATE ART DECO OPAL, DIAMOND & PLATINUM RINGAn oval opal cabochon with predominately green color play, approx. 7.0 cts. by formula, baguette and RBC diamond pierced shoulders, diamonds approx. .36 ct. TW. Ca. 1940. Unmarked. Size 7 1/2. 4.1 dwtSee Sold Price
SoldGIA Natural Black Gray Opal Diamond Platinum RingTitle: GIA Natural Black Gray Opal Diamond Platinum Ring Description:A huge mid-century crossover ring with several white and clean diamonds and a large back or gray natural opal with no treatment! ThSee Sold Price
SoldFire Opal Diamond Platinum RingMetal : Platinum Designer : Not Signed Gemstone : Fire opal 11.07ct, Diamonds 1.74ctw Measurements : Ring size 8, top is 21 x 18mm. Marked: : 11.07, 1.74, pt900. Weight: 16.9 gramsSee Sold Price
Sold1.29 Carat Opal Diamond Platinum RingMetal Content: Platinum. Weight of Item: 7.4 g.Size: Ring size - 6.5, width f the top - 17mm.Gemstone: Opal, Diamond. Carat Weight:1.29ct, 0.71ctw.Stamp: Pt900, 1.293, 0.71.See Sold Price
SoldLADY'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
Sold1.59 CARAT OPAL & DIAMOND PLATINUM RING, SIZE 5.25A gorgeous 900 platinum ring set with a 1.59-carat cabochon-cut opal center stone and surrounded by 0.08-carats of brilliant round cut diamonds. Six brilliant round-cut diamonds accent the 1.59-caratSee Sold Price
SoldBlack Opal, Diamond, Platinum, Gold Ring The riBlack Opal, Diamond, Platinum, Gold Ring The ring features an oval-shaped black opal cabocSee Sold Price
Sold5.90ct 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
Sold3.50ct 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
SoldART DECO OPAL AND DIAMOND PLATINUM RINGRound cabochon opal, 13.46 x 8.24 mm., approx. 8 cts., flanked by diamond volute shoulders with onyx bullets, tapered hoop with diamond accents, approx. .60 ct. TW, ca. 1938. Size 9 1/2. 7.7 dwt.See Sold Price
5.85ct 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
Sold2.15ct 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
Sold13.70ct Opal, 1.00ctw Diamond Platinum Ring13.70ct Opal, 1.00ctw SI1-SI2/G-H Diamond Solid Platinum Ring - This lovely ring was finely crafted of solid platinum and boasts a 13.70ct (approximate) opal. This is a solid opal (not a doublet) andSee Sold Price
Sold7.80ct Jelly Opal, 0.70ctw Diamond Platinum Ring7.80ct Mexican Jelly Opal, 0.70ctw VS1-VS2/G-H Diamond Solid Platinum Ring - This beautiful ring was finely crafted of solid platinum and boasts an approximately 7.80ct Mexican jelly opal. The opal isSee Sold Price
Sold3.70ct Black Opal, 0.95ctw Diamond Platinum Ring3.70ct Black Opal, 0.95ctw SI1-SI2/G-H Diamond Solid Platinum Ring - This ring was finely crafted of solid platinum and boasts a 3.70ct (approximate) oval shaped black opal which displays an exquisiteSee Sold Price
SoldOpal, diamond and platinum ringOpal, diamond and platinum ring Centering (1) oval opal cabochon, measuring approximately 19 X 13 mm, flanked by (4) full-cut diamonds, weighing a total of approximately 0.10 ct., set in a platinum moSee Sold Price
Sold2.75ct Black Opal, 1.25ctw Diamond Platinum Ring2.75ct Black Opal, 1.25ctw VS2-SI1/G-H Diamond Solid Platinum Ring - This lovely ring was finely crafted of solid platinum and boasts an approximately 2.75ct oval-shaped black opal which displays an eSee Sold Price
Sold2.20ct Black Opal, 1.30ctw Diamond Platinum Ring2.20ct Black Opal, 1.30ctw VS2-SI1/G-H Diamond Solid Platinum Ring - This beautiful ring was finely crafted of solid platinum and boasts an approximately 2.20ct black opal. The opal displays a beautifSee Sold Price
SoldOpal, Diamond and Platinum Ring4.75 Carat Oval Opal, .32 Carat TW Round Brilliant Cut Diamond and Platinum Ring. Opal with good play of multi color. Diamonds F-G color, VS clarity. Stamped Pt900. Ring size 6. Ring top measures 3/4"See Sold Price
Sold2.45ct Black Opal, 0.50ctw Diamond Platinum Ring2.45ct Black Opal, 0.50ctw SI1-SI2/G-H Diamond Solid Platinum Ring - This ring was finely crafted of solid platinum and boasts an approximately 2.45ct oval shaped black opal which displays a beautifulSee Sold Price
