14K White Gold Australian Black Opal and Diamond Solitaire Ring Size 6.5Mynt Auctions4.4(820)$1005 days Left
Platinum Setting with 3.33ct Opal and 0.55ct Diamond Ladies RingRiverside Galleries4.5(197)$502 days Left
Platinum Setting with 3.33ct Opal and 0.55ct Diamond Ladies RingRiverside Galleries4.5(197)$506 days Left
Platinum Setting with 0.77ct Black Opal and 0.26ct Diamond Ladies RingRiverside Galleries4.5(197)$502 days Left
Platinum Ladies Ring with 4.02ct Black Opal and 0.72tcw Adjacent DiamondsRiverside Galleries4.5(197)$502 days Left
Platinum Setting with 0.77ct Black Opal and 0.26ct Diamond Ladies RingRiverside Galleries4.5(197)$506 days Left
Platinum Setting with 4.68ct Opal and 1.76ct Diamond Ladies RingRiverside Galleries4.5(197)$504 days Left
Platinum Ladies Ring with 4.02ct Black Opal and 0.72tcw Adjacent DiamondsRiverside Galleries4.5(197)$505 days Left
14K WHITE GOLD RING WITH 1CT OPAL AND 0.66CTS DIAMONDS (SIZE: 6) 3.3 GRAMSModern Jewelry4.5(203)$1,475Feb 22, 2026
Platinum Setting with 4.68ct Opal and 1.76ct Diamond Ladies RingRiverside Galleries4.5(197)$501 day Left
Platinum Ladies Ring with 1.18ct Opal and 0.50tcw Adjacent DiamondsRiverside Galleries4.5(197)$503 days Left
SoldPLATINUM, OPAL AND DIAMOND CLUSTER RING, 4.8gA platinum dress ring, set with a central black opal doublet surrounded by small diamonds, marked platinum and Birks, size 4 3/4.See Sold Price
SoldA mid 20th century 18ct gold and platinum, opal andA mid 20th century 18ct gold and platinum, opal and diamond cluster ring. The opal cabochon, within a single-cut diamond surround. Estimated total diamond weight 0.10ct. Ring size O. Weight 2.6gms. OvSee Sold Price
SoldOPAL AND DIAMOND CLUSTER RINGOPAL AND DIAMOND CLUSTER RING. High carat gold and platinum.Vibrant opal with good play of color (12 x 10 mm).Diamonds bright and lively.Size N.3.1 grams.See Sold Price
SoldAN ANTIQUE OPAL AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with a cabochon opalAN ANTIQUE OPAL AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with a cabochon opal in a cluster of rose cut diamonds, stamped 18CT & PLATINUM, size M / 6.25, 2.7g. See Sold Price
SoldAn opal and diamond cluster ring,An opal and diamond cluster ring, with a central oval cabochon opal, claw set, surrounded by ten single-cut diamonds, grain set, stamped 18ct gold and platinum, 2.70g Ring size M Buying this gemstoneSee 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
SoldPlatinum Diamond Cluster Ringmarquise and round brilliant cut diamonds, approximately 5 carats tw, E-F color, VS clarity ring size 4 3/4, weight is 9.2 dwt grossSee Sold Price
SoldVINTAGE PLATINUM DIAMOND CLUSTER RINGVintage custom made diamond cluster ring with flower motif. Marquise and round cut diamonds. Ring size 4.5. Total weight 17.2 grams. Approx. 1 inch wide. Includes jewelry box. Some surface wear includSee Sold Price
SoldArt Deco Platinum Diamond Cluster RingArt Deco Platinum Weight 9g Diamond Approx. 2ct SI1 VS1-H Cluster Ring Size 6.5 Measurements 1”x0.82”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
SoldRetro Platinum Diamond Cluster RingRetro Platinum Weight 6.7g All Mine Diamond Approx. 2ct SI1 VS1 L-H Cluster Ring Size 5.5 Measurements 0.64”x0.65”See 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
SoldA mid 20th century platinum diamond cluster ring. TheA mid 20th century platinum diamond cluster ring. The old-cut diamond cluster, with pierced gallery and plain band. Estimated total diamond weight 1ct, I-J colour, SI clarity. French assay marks. RingSee Sold Price
Sold14K Gold Platinum Diamond Cluster RingMETAL: 14k Gold and Platinum. GEMSTONES: Diamonds approx. 3.30-3.50ctw. MEASUREMENTS: Ring size 9, ring top is 22mm wide. MARKED: 14kt. WEIGHT: 9.6 grams.Gemstones have not been graded for color and cSee Sold Price
SoldBE MINE Platinum Diamond Cluster Ring BE MINE Platinum Diamond Approx 2ct Vs1 H Measurements 0.55”x0.77” Cluster Ring Size 5.5See 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
SoldA Lady's Platinum Diamond Cluster RingPlatinum diamond ring containing three main round diamonds weighing approx. 1.50 ctw with smaller diamond accents set in filigree mounting, sz 8, 7 gramsSee Sold Price
SoldPlatinum Diamond Cluster RingPlatinum Diamond Cluster Ring, adorned with twelve bead and bezel set old European cut diamonds weighing a total of approx. 1.25 carats, J-K color / SI clarity. Platinum tested. Measuring approx. US sSee 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
SoldAntique Platinum Diamond Cluster RingMETAL: platinum. MEASUREMENTS: ring size - 6 1/4, ring top is 13mm x 18mm. GEMSTONES: old mine cut diamonds - approx. 1.30ctw. TESTED: plat. WEIGHT: 7.4 grams.Gemstones have not been graded for colorSee Sold Price
SoldPlatinum Diamond Cluster RingMETAL: Platinum. GEMSTONES: Diamonds approx. 1.00ctw. MEASUREMENTS: Ring size 7, top is 15mm. MARKED: Pt. WEIGHT: 6.7 grams.Gemstones have not been graded for color and clarity, and tested for claritySee 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
