Jul 08, 202618K Gold Natural Black Opal RingEst. $14,000-$28,000$10(1 bid)TOISHINSEI Co., Ltd.Osaka, JP
11 hrs LeftGIA Black Opal 18k Yellow Gold Cocktail Ring with Diamond SidesEst. $3,432-$4,461$100Mynt AuctionsNew York, NY
3 days Left3.50ct Black Opal, 2.00ctw Diamond and Platinum RingEst. $12,000-$13,000$1,000(1 bid)GWS Auctions Inc.Maitland, FL
3 days LeftBLACK OPAL & DIAMOND CLUSTER RING PLATINUM 0.539 CT COAEst. $1,600-$2,400$50(1 bid)Antique Arena Inc.Brooklyn, NY
Ends in 7d 15hBeautiful 6.49 CT Natural Black Opal Ring With Natural Black Diamond & 18k GoldEst. —£425William GeorgeBedfordshire
Ends in 7d 15hBeautiful 5.22 CT Natural Black Opal Ring With Natural Black Diamond & 18k GoldEst. —£600William GeorgeBedfordshire
7 days LeftPlatinum Black Opal and Diamond Dress RingEst. $10-$100,000$10(1 bid)Gallery 63Atlanta, GA
17 hrs LeftPlatinum GIA Certified 1.30ctw Black Opal Diamond Cocktail RingEst. $2,249-$2,923$100BidhausNew York, NY
4 days LeftA Collection of Seven Pieces of Assorted Jewelry Including Sterling Silver and Mixed Stone RingsEst. $5-$125$5(1 bid)Swisher Bros. Auction LLCShelbyville, KY
7 days LeftPlatinum 1.73 Black Opal and 0.31ctw Diamond Cocktail RingEst. $10-$100,000$10(1 bid)Gallery 63Atlanta, GA
Ends in 7d 15hBeautiful 7.45 CT Natural Black Opal Ring With Natural Black Diamond & 18k GoldEst. —£550William GeorgeBedfordshire
Ends in 7d 15hBeautiful Natural 3.40Ct Black Opal Ring With Natural Blue Sapphire and 18k GoldEst. —£425William GeorgeBedfordshire
2 days LeftPLATINUM 0.54CT DIAMOND AND BLACK OPAL RINGEst. $3,300-$13,200$3,200Robinhood AuctionsLas Vegas, NV
Jul 19, 20263.17ctw Black Spinel & Fire Opal Ring in Rhodium-Plated Sterling SilverEst. $150-$400$50Kings Auctions IncLas Vegas, NV
Jul 11, 2026BLACK OPAL DESIGN RING PLATINUM RING MELEE DIAMONDEst. $5,625-$8,250$25(1 bid)NY Elizabeth Beverly Hills, CA
Jul 05, 2026Platinum 2.29ctw Black Boulder Opal Diamond Cluster Cocktail RingEst. $2,002-$2,602$100BidhausNew York, NY
Buy NowNatural Play Of Color Rainbow Fire Red Black Opal Gemstones 2.39 Ct. Oval Cabochon Shape 11.6 x 8.5$70(2 bids)Treasure of Gems & JewelryLake Charles, LA
4 days LeftKARIN TREMONTI ETRUSCAN 18K YELLOW GOLD AUSTRALIAN BLACK OPAL & DIAMOND RINGEst. $6,792-$7,591$5,500Modern JewelryValley Village, CA