3.17 Ct Natural Black Flashing Fire "Midnight Spark" Opal Oval CabGems Auction4.6(439)$1(1 bid)May 01, 2026
Multi Color Sparkling Matrix Boulder Opal 3.35 Ct. Free Form Cabochon Shape 10.2 x 8.7 Mm GemstoneTreasure of Gems & Jewelry4.4(224)$1Apr 19, 2026
3.05Ct Welo Black Opal Polished - Ethiopian Opal , 102EKsmith Heritage Auctioneers4.3(46)$52 days Left
2.29Ct Welo Black Opal Polished - Ethiopian Opal , 359EKsmith Heritage Auctioneers4.3(46)$52 days Left
