23.25Ct Natural Ethiopian Opal - 24.0x17.9x10.8 mm , 554CKsmith Heritage Auctioneers4.3(48)$2502 days Left
*17.06Ct Welo Opal Polished - Ethiopian Opal , 439CKsmith Heritage Auctioneers4.3(48)$240(1 bid)2 days Left
Natural Boulder Opal Multi-Color Gemstones 21.40 Ct. Flashing Free Form CabochonTreasure of Gems & Jewelry4.5(263)$1Aug 30, 2026
