Natural Multi Color Opal Flashing Boulder 19.77 Ct. Free Form Cabochon Gemstone From AustraliaTreasure of Gems & Jewelry4.4(215)$11 day Left
2.07Ct Natural Ethiopian Welo Smoked Opal - Ethiopian OpalKsmith Heritage Auctioneers4.3(45)$15Feb 15, 2026
Natural Multi - Color Boulder Flashing 21.40 Ct. Free Form Cabochon Shape 31 x 16 Mm. Gemstone FromTreasure of Gems & Jewelry4.4(215)$11 day Left
2.15Ct Natural Ethiopian Welo Smoked Opal - Ethiopian OpalKsmith Heritage Auctioneers4.3(45)$15Feb 15, 2026
4.37Ct Natural Ethiopian Welo Smoked Opal - Ethiopian Opal - CabochonKsmith Heritage Auctioneers4.3(45)$15Feb 15, 2026
2.03Ct Natural Ethiopian Welo Smoked Opal - Ethiopian OpalKsmith Heritage Auctioneers4.3(45)$15Feb 15, 2026
