*14.86Ct Unheated Welo Opal Polished - Ethiopian Opal, 1250BKsmith Heritage Auctioneers4.3(47)$6007 days Left
*17.28Ct Unheated Welo Opal Polished - Ethiopian Opal , 431EKsmith Heritage Auctioneers4.3(47)$2007 days Left
12.26ct Natural Australian Queensland Matrix Boulder Opal Cabochon, 70ATThousandPlanet4.5(300)$51115 Lots Away
4.34 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 13.3x9.3mm, 4XMLazo Heritage4.3(18)See Sold PriceAug 2, 2026
