11.33ct Marquise Cabochon Natural Multicolor Black Opal GemstoneWeatherham Estate Treasures3.8(254)$6302 days Left
Natural Multi Color Play Of Color Rainbow Opal Gemstones 5.97 Ct. Cusihon Cabochon Shape18.1 x 11Treasure of Gems & Jewelry4.5(264)$8(3 bids)6 days Left
2.27ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 55FXThousandPlanet4.5(309)$1020 hrs Left
2.29ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 27FXThousandPlanet4.5(309)$1020 hrs Left
*12.36Ct Smoked Welo Opal Polished - Ethiopian Opal , 187CKsmith Heritage Auctioneers4.3(48)$1004 days Left
23.07 Carats Australian Matrix Opal Oval Cabochon - Natural Stone, 73XBLazo Heritage4.4(22)See Sold PriceAug 23, 2026
