Natural Multi Color Flashing Opal Boulder 27.75 Ct. Free Form Cabochon Shape 30 x 19.2 Mm. GemstoneTreasure of Gems & Jewelry4.4(216)$1Mar 08, 2026
45.86 Carats Blue and Ochre Pietersite Cabochon - Natural Namibian Stone - 33 x 21 mm, 28XKThousandPlanet4.4(231)$52 days Left
1.42Ct Welo Black Opal Polished - Ethiopian OpalKsmith Heritage Auctioneers4.3(45)See Sold PriceJul 27, 2025
DRAGONS BLOOD WORRY STONE ROCK STONE LAPIDARY SPECIMENCol. Christie Hatman Auctioneers4.3(480)$52 days Left
