5 days Left14K White Gold 4.36ct Opal and 1.33ct Diamond RingEst. $22,595-$29,987$50Riverside GalleriesArcadia, CA
6 days Left14K Yellow Gold 13.62ct Opal and 1.17ct Diamond RingEst. $20,014-$22,098$50Riverside GalleriesArcadia, CA
19 hrs Left14k Yellow Gold 5.20ct White Opal 2.49ct Diamond RingEst. $9,384-$13,800$50(1 bid)Riverside GalleriesArcadia, CA
Sep 6, 2026Opal-BrillantringEst. €2,200-€4,400€2,200KUNSTAUKTIONSHAUS SCHLOSS AHLDENAhlden(Aller), Niedersachsen
6 days Left14k White Gold 4.43ct Opal Halo Diamond Pendant Necklace 18 InchEst. $2,821-$3,667$100BidhausNew York, NY
23 hrs LeftPlatinum 2.29ctw Black Boulder Opal Diamond Cluster Cocktail RingEst. $2,002-$2,602$100BidhausNew York, NY
Sep 12, 202610K YELLOW GOLD OPAL DIAMOND LADIES RINGEst. $160-$10,000$40(1 bid)Florida Estate Sales Inc.Tallahassee, FL
5 days LeftPlatinum 5.50ct GIA Australian Black Opal Diamond Cocktail RingEst. $9,477-$12,320$100BidhausNew York, NY
59 mins Left14K Gold Group of Nine Pendants, Opal, 10.99 grams total weightEst. $50-$10,000$375(3 bids)5th Avenue AuctionsStamford, CT
Sep 6, 2026Diamant-Opal-Anhänger im JugendstilEst. €1,600-€3,200€1,600KUNSTAUKTIONSHAUS SCHLOSS AHLDENAhlden(Aller), Niedersachsen
Buy NowVICTORIAN AMETHYST GOLD BRACELET DIAMOND 16K YELLOW FLORAL MOTIFS CHAIN$4,165Modern JewelryValley Village, CA
Buy NowPlatinum Ring with Natural Oval Opal and Round Diamond Accents 3.98ctw$2,750Diamond DepotNew York, NY
1 day Left14K Yellow Gold Opal and Diamond RingEst. $2,300-$2,700$1,800Eastern European Art Gallery IncBroomall, PA
Buy NowUnbranded 14K Yellow Gold Floral Dome Ring Opal Garnet Size 9.5$3,990Diamond DepotNew York, NY
20 hrs Left14K Gold 7.38ct Opal & 2.12ct Diamond RingEst. $9,786-$13,980$50Prestige Auction GalleriesWoodland Hills, CA
3 days Left14K Gold 7.38ct Opal & 2.12ct Diamond RingEst. $9,786-$13,980$50Prestige Auction GalleriesWoodland Hills, CA
Sep 6, 2026CASBAH 18K YELLOW GOLD MARQUISE CUT AUSTRALIAN FIRE OPAL & DIAMOND HALO RINGEst. $3,391-$3,790$2,750Modern JewelryValley Village, CA
Buy NowCASBAH 18K YELLOW GOLD MARQUISE CUT AUSTRALIAN FIRE OPAL & DIAMOND HALO RING$3,391Modern JewelryValley Village, CA