Natural Multi Color Flashing Opal Boulder 27.75 Ct. Free Form Cabochon Shape 30 x 19.2 Mm. GemstoneTreasure of Gems & Jewelry4.4(219)US$1Mar 08, 2026
1.93Ct Winton Boulder Opal Polished - Australian Opal - Oval CabochonKsmith Heritage Auctioneers4.3(45)US$152 days Left
1.76Ct Natural Flashy Rainbow Smoked Ethiopian Welo OpalKsmith Heritage Auctioneers4.3(45)US$152 days Left
2.15Ct Natural Ethiopian Welo Smoked Opal - Ethiopian OpalKsmith Heritage Auctioneers4.3(45)US$152 days Left
2.03Ct Natural Ethiopian Welo Smoked Opal - Ethiopian OpalKsmith Heritage Auctioneers4.3(45)US$152 days Left
1.83Ct Natural Ethiopian Welo Smoked Opal - Ethiopian OpalKsmith Heritage Auctioneers4.3(45)US$152 days Left
2.07Ct Natural Ethiopian Welo Smoked Opal - Ethiopian OpalKsmith Heritage Auctioneers4.3(45)US$152 days Left
2.81Ct Natural Ethiopian Welo Smoked Opal - Ethiopian Opal CabochonKsmith Heritage Auctioneers4.3(45)US$152 days Left
2.41Ct Natural Ethiopian Welo Smoked Opal - Ethiopian Opal - Oval CabochonKsmith Heritage Auctioneers4.3(45)US$152 days Left
2.28Ct Natural Ethiopian Welo Smoked Opal - Ethiopian OpalKsmith Heritage Auctioneers4.3(45)US$152 days Left
3.20Ct Natural Flashy Rainbow Ethiopian Smoked Welo OpalKsmith Heritage Auctioneers4.3(45)US$152 days Left
2.34Ct Natural Ethiopian Welo Smoked Opal - Ethiopian OpalKsmith Heritage Auctioneers4.3(45)US$152 days Left
1.70Ct Welo Black Opal Polished - Ethiopian OpalKsmith Heritage Auctioneers4.3(45)See Sold PriceJul 27, 2025
1.80Ct Natural Ethiopian Welo Smoked Opal - Ethiopian Opal CabochonKsmith Heritage Auctioneers4.3(45)US$152 days Left
