Sold2018Opal, Diamond, Platinum Ring The ring featuresOpal, Diamond, Platinum Ring The ring features an oval-shaped opal cabochon measuring 19.4See Sold Price
Sold2015Art Deco Opal, Diamond, Platinum Ring The ringArt Deco Opal, Diamond, Platinum Ring The ring features an oval-shaped opal cabochon measuSee 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
Sold2017FINE Black Opal 3.25 CT TW Diamond Platinum RingStunning large exceptional quality black Australian opal and diamond ring. Crafted out of platinum. Features a large natural solid black opal cabochon with an explosion of colors ranging from green, bSee Sold Price
Sold2017LATE 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
Sold20214.00ct Fire Opal, 0.40ctw Diamond Platinum Ring4.00ct Fire Opal, 0.40ctw SI1-SI2/G-H Diamond Solid Platinum Ring - This lovely ring was finely crafted of solid platinum and boasts an approximately 4.00ct fire opal cabochon which displays a beautifSee Sold Price
Sold2018Black Opal, Diamond, Platinum, Gold Ring The riBlack Opal, Diamond, Platinum, Gold Ring The ring features an oval-shaped black opal cabocSee Sold Price
Sold2015ART 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
Sold20247.20ct Fire Opal, 2.00ctw Diamond and Platinum Ring7.20ct Fire Opal, 2.00ctw VS1-VS2/G-H Diamond and Platinum Ring - This ring is crafted in platinum and boasts an approximately 7.20ct fire opal cabochon. The opal is surrounded by approximately 2.00ctSee Sold Price
Sold2018Opal, 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
Sold2024Art Deco Platinum Cabochon Opal & Diamond Ring sz9An antique Art Deco platinum ring, featuring a delicate band adorned with two diamonds set around a central cabochon opal. The opal showcases a light orange translucent hue and measures approximatelySee Sold Price
Sold20241.59 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
Sold2022Opal, Diamond and Platinum Ring13.26 Carat Oval Cabochon Black Opal, 2.26 Carat TW Eighteen Round Brilliant Cut Diamond and Platinum Ring. Opal with very good play of multi color. Diamonds E-F color, VVS-VS clarity. Stamped Pt900.See Sold Price
Sold202211.39ct Opal Diamond Platinum Cocktail RingMetal : Platinum Designer : Not Signed Gemstone : Opal cabochon 11.39ct, Diamonds 1.25ctw Measurements : Ring size 8.75, top is 23 x 19mm Marked: : pt900, 11.39, 1.25 Weight: 13.3See Sold Price
Sold2016A 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
Sold2024Lovely Platinum Opal Ring With Diamonds (Quality Assessment Included)Lovely Platinum Opal Ring With Diamonds (Quality Assessment Included)Size (5.75) split tapered shank ring with an oval opal cabochon center stone (16.9 x 13.33 x 4.8mm - 7.02ct tgw - calculated - baseSee Sold Price
Sold2024Platinum, Black Opal and Diamond RingPlatinum, Black Opal and Diamond Ring, center oval cabochon opal, wt. approx. 2.53 ct.; bezel and shoulders set with 44 round brilliant cut diamonds, total wt. approx. 0.68 ct.; size 6.75; GGA report.See Sold Price
Sold2021A 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
Sold2016Estate Platinum Opal & Diamond Cocktail RingEstate Platinum Opal & Diamond Cocktail Ring. Hallmarked. Having a cabochon cut opal at center with small white diamonds. Ring size 6.5, can be resized. Weighs approximately 3.1 grams inclusive.See 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
Sold2018Platinum 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
Sold2023Platinum, Opal and Diamond RingsPlatinum, Opal and Diamond Rings (2) rings including a 1.68 carat oval cut cabochon opal flanked by baguette and marquise cut diamonds weighing approximately 0.55 carats total and a round cut orange dSee Sold Price
Sold2018A 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
Sold2016Platinum, 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
6 days LeftHeritage Auctions55337: Black Opal, Diamond, Platinum Ring Stones: BlacUS$2,400
Oct 12Hess Fine AuctionsArt Deco Stunning Platinum Diamond Natural Opal Ladies Ring Superior ConditionUS$250(2 bids)
6 hrs LeftRiverside GalleriesPlatinum Setting with 8.72ct Fire Opal and 0.45ct Diamond Ladies RingUS$50
4 days LeftRiverside GalleriesPlatinum Setting with 8.72ct Fire Opal and 0.45ct Diamond Ladies RingUS$50
Oct 20Miami Auctions & Appraisals LLC Estate 13.78cts Black opal Diamond Platinum Cocktail RingUS$21,000
Oct 20Miami Auctions & Appraisals LLC 11.52cts GIA Black opal Diamond Platinum Halo Cocktail RingUS$9,000
47 mins LeftSeized Assets AuctioneersEstate FINE 14K Gold 3.81 ctw Cabochon Opal Round Baguette Diamond Cocktail RingUS$1
3 days LeftFederal Assets AuctioneersEstate FINE 14K Gold 3.81 ctw Cabochon Opal Round Baguette Diamond Cocktail RingUS$1
1 day LeftSworders Fine Art AuctioneersA Victorian opal and diamond ring and an Edwardian opal ring,£80
6 days LeftSeized Assets AuctioneersVintage 18k Gold GIA Pear Cabochon Opal w/ Diamond & Emerald Bark Textured RingUS$1
1 day LeftElmwood'sNO RESERVE - AN OPAL AND DIAMOND RING set with an oval cabochon opal, accented on each side by three£180