Jul 03, 2026Platinum GIA Certified 3.65ct Black Opal Diamond Halo RingEst. $6,773-$8,804$100BidhausNew York, NY
3 days LeftAntique 10k Yellow Gold GIA Certified 3.40ct Black Opal RingEst. $4,823-$6,269$100BidhausNew York, NY
Jul 05, 2026RING PLATINUM BLACK OPAL EMERALD DIAMONDEst. $5,625-$8,250$25(1 bid)NY Elizabeth Beverly Hills, CA
4 days LeftVTG MODERNIST BRUTALIST 18K YELLOW GOLD AUSTRALIAN BLACK OPAL DIAMOND RING 28.7GEst. $9,342-$10,441$7,600Modern JewelryValley Village, CA
7 days Left1.48 Carat Black Opal and Diamond Platinum Ring Size 6Est. $2,756-$3,582$100BidhausNew York, NY
4 days LeftPlatinum 0.54ct Diamond and Black Opal RingEst. $5,000-$5,500$4,000Eastern European Art Gallery IncBroomall, PA
2026Natural Play Of Color Rainbow Fire Red Black Opal Gemstones 2.52 Ct Oval Shape CabochonSee Sold PriceTreasure of Gems & JewelryLake Charles, LA
4 days LeftPlatinum 2.40ct Diamond and Black Opal RingEst. $6,000-$7,000$4,500Eastern European Art Gallery IncBroomall, PA
2 days LeftGIA Platinum Black Opal Diamond Cocktail Ring Size 6.5Est. $4,862-$6,320$100BidhausNew York, NY
12 hrs LeftPlatinum 5.50ct GIA Australian Black Opal Diamond Cocktail RingEst. $9,477-$12,320$100BidhausNew York, NY
Ends in 7d 10hBeautiful Natural 7.66Ct Black Opal Ring With Natural Black Diamonds and 18k GoldEst. —£700William GeorgeBedfordshire
Jul 05, 2026Natural Play Of Color Rainbow Fire Red Black Opal Gemstones 1.38 Ct. Oval Cabochon Shape 11.8 x 6.3Est. $124-$196$1Treasure of Gems & JewelryLake Charles, LA
4 days LeftPlatinum GIA Certified 4.04ctw Black Opal Diamond Ballerina RingEst. $3,913-$5,086$100Mynt AuctionsNew York, NY
Buy NowPlatinum GIA Certified 4.04ctw Black Opal Diamond Ballerina Ring$3,820Diamond DepotNew York, NY
Jul 06, 2026BLACK HILLS GOLD RING OPAL LEAVES BAND SIZE 7 STERLING SILVER WOMEN MENEst. $422-$471$345Modern JewelryValley Village, CA
Ends in 12d 13hheavy / chunky 14ct white gold black opal and diamond signet style ringEst. £750-£800£560Banks Jewellery Auctions Gloucestershire
3 days LeftGIA Black Opal 18k Yellow Gold Cocktail Ring with Diamond SidesEst. $5,834-$6,534$1,725Diamond DepotNew York, NY