Natural Multi Color Flashing Opal Boulder 27.75 Ct. Free Form Cabochon Shape 30 x 19.2 Mm. GemstoneTreasure of Gems & Jewelry4.4(221)US$1Mar 08, 2026
*1.91Ct Welo Black Opal Polished - Ethiopian OpalKsmith Heritage Auctioneers4.3(45)See Sold PriceJun 29, 2025
1.99Ct Welo Black Opal Polished - Ethiopian OpalKsmith Heritage Auctioneers4.3(45)See Sold PriceJul 27, 2025
Natural Black Star 6 Rays Sapphire 1.60 Ct. Oval Cabochon Shape 7.6 x 5.3 Mm Gemstone From ThailandTreasure of Gems & Jewelry4.4(221)US$1Mar 08, 2026