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
Sold2016A 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
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
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
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
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
Sold2022A PLATINUM, OPAL AND DIAMOND RINGA PLATINUM, OPAL AND DIAMOND RING Centering an opal oval-shaped cabochon weighing approximately 4.10 carats encircled by round diamonds weighing approximately 0.75 carats, size 6 3/4See 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
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
Sold2022A PLATINUM, BLACK OPAL AND DIAMOND RINGA PLATINUM, BLACK OPAL AND DIAMOND RING Centering a black opal oval-shaped double cabochon weighing approximately 4.50 carats encircled by round and tapered baguette diamonds weighing approximately 1.See Sold Price
2021Platinum 900 - 1.98tcw - Fire Opal & Diamonds Ring" "" Grading Results:___________Stone Type: Natural Fire OpalShape: Round CabochonCarat: 1.30 ctColor: OrangeClarity: Loupe Clean Grading Results:____________Stone TypeSee Sold Price
Sold2021Platinum 900 - 1.70tcw - Fire Opal & Diamond RingNo Reserve Price! Grading Results:___________Stone Type: Natural Fire-OpalShape: Oval CabochonCarat: 1.30 ctColor: Yellowish OrangeClarity: Eye Clean Grading Results:_See Sold Price
Sold2021Platinum 900 - 3.50tcw - Fire Opal & Diamond RingNo Reserve Price! Grading Results:___________Stone Type: Natural Fire OpalShape: Oval CabochonCarat: 3.20 ctColor: OrangeClarity: Eye Clean Grading Results:___________See 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
Sold2021Platinum 900 - 1.98tcw - Fire Opal & Diamonds RingNo Reserve Price! Grading Results: ___________ Stone Type: Natural Fire Opal Shape: Round Cabochon Carat: 1.30 ct Color: Orange Clarity: Loupe Clean Grading Results: Â ____________ Stone TySee Sold Price
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
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
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
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
Sold2018Black Opal, Diamond, Platinum, Gold Ring The riBlack Opal, Diamond, Platinum, Gold Ring The ring features an oval-shaped black opal cabocSee Sold Price
4 days LeftElmwood'sAN ART DECO BLACK OPAL AND DIAMOND RING in platinum, set with an oval cabochon black opal, the£12,000
4 days LeftElmwood'sAN EXCEPTIONAL FIRE OPAL AND DIAMOND CLUSTER RING in platinum, set with an oval cabochon fire opal£3,000
2 days LeftRiverside GalleriesPlatinum Setting with 8.72ct Fire Opal and 0.45ct Diamond Ladies Ring$50
Jun 11Heritage Auctions71068: Opal, Diamond, White Gold Ring Stones: Opal cab$500
2 days LeftFederal Assets AuctioneersEstate FINE 14K Gold 3.81 ctw Cabochon Opal Round Baguette Diamond Cocktail Ring$2(2 bids)
3 days LeftSeized Assets AuctioneersEstate FINE 14K Gold 3.81 ctw Cabochon Opal Round Baguette Diamond Cocktail Ring$1