Natural Multi-Color Opal 6.18 Ct. Oval Cabochon Shape 16.5 x 11 x 7 Mm. Unheated GemstoneTreasure of Gems & Jewelry4.4(216)$1Mar 01, 2026
3.77 ct Fancy Cabochon Natural Multicolor Opal TripletWeatherham Estate Treasures4(218)$160Feb 18, 2026
3.72Ct Welo Black Opal - Ethiopian Opal - Faceted PolishedKsmith Heritage Auctioneers4.3(45)See Sold PriceJul 26, 2025
1.51Ct Welo Black Opal Polished - Ethiopian OpalKsmith Heritage Auctioneers4.3(45)See Sold PriceJul 26, 2025
22.5ct Oval Cut Cabochon Bright Iridescence Multicolor Black Opal GemstoneWeatherham Estate Treasures4(218)$1,3002 days Left
