23.20Ct Natural Ethiopian Opal - 26.6x19.0x9.0 mm , 539CKsmith Heritage Auctioneers4.3(48)$2509 hrs Left
*17.06Ct Welo Opal Polished - Ethiopian Opal , 439CKsmith Heritage Auctioneers4.3(48)$240(1 bid)9 hrs Left
Natural Boulder Opal Multi-Color Gemstones 21.40 Ct. Flashing Free Form CabochonTreasure of Gems & Jewelry4.5(263)$1Aug 30, 2026
Natural Multi Color Flashing Boulder Opal Gemstones 3.49 Ct. Free Form Cabochon ShapeTreasure of Gems & Jewelry4.5(263)$10Aug 30, 2026
