Natural Multi-Color Opal 6.18 Ct. Oval Cabochon Shape 16.5 x 11 x 7 Mm. Unheated GemstoneTreasure of Gems & Jewelry4.4(219)$1Mar 01, 2026
1.97Ct Natural Flashy Rainbow Ethiopian Welo Opal - Ethiopian Opal - Oval Cabochon (AOI5961)Ksmith Heritage Auctioneers4.3(45)$152 days Left
3.77 ct Fancy Cabochon Natural Multicolor Opal TripletWeatherham Estate Treasures4(218)$1605 days Left
Natural Multi Color Opal 1.04 Ct. Oval Cabochon Shape 7.7 x 6.8 Mm Gemstone from EthiopiaTreasure of Gems & Jewelry4.4(219)$12 days Left
Natural Multi Color Opal 1.18 Ct. Oval Cabochon Shape 8.2 x 7.3 Mm Gemstone from EthiopiaTreasure of Gems & Jewelry4.4(219)$1Mar 01, 2026
1.88ct NATURAL AFRICAN MULTI COLORED OPAL CUSHION CABOCHON 9x9mmModern Jewelry4.5(204)$370Mar 19, 2026
2.17Ct Natural Ethiopian Welo Opal - Ethiopian Opal CabochonKsmith Heritage Auctioneers4.3(45)$152 days Left