18.55 ct Oval Cabochon Rainbow Bluish-White Opal GemstoneWeatherham Estate Treasures3.9(237)$950Jun 04, 2026
29.62 Ct Natural Black Flashing Fire "Night Blaze" Opal Oval CabGems Auction4.7(457)$95(3 bids)5 days Left
29.01 Ct Natural Black Flashing Fire "Starlit Flame" Opal Oval CabGems Auction4.7(457)$100(4 bids)5 days Left
21.90 Ct Natural Black Flashing Fire "Shadowfire" Opal Oval CabGems Auction4.7(457)$95(4 bids)5 days Left
3.77 ct Fancy Cabochon Natural Multicolor Opal TripletWeatherham Estate Treasures3.9(237)$160Jun 10, 2026
2.40 ct Natural Multicolor Opal Triplet – Oval CabochonWeatherham Estate Treasures3.9(237)$15017 hrs Left
Natural Multi-Color Opal Gemstones 1.75 Ct. Oval Cabochon Shape 9.8 x 6.3 Mm.Treasure of Gems & Jewelry4.4(233)$17 days Left
Natural Multi Color Opal Gemstones 4.28 Ct. Oval Shape 13 x 10.2 Mm.Treasure of Gems & Jewelry4.4(233)$17 days Left
4.95 Carats Welo Opal Oval Cabochon - Natural Ethiopian Stone, 74XBThousandPlanet4.6(279)$52 days Left
2.72 Carats Play-of-Color Welo Opal - Natural Ethiopian Gem 11x8mm, 30XCThousandPlanet4.6(279)$52 days Left
*39.22Ct Welo Opal Polished - Ethiopian OpalKsmith Heritage Auctioneers4.3(47)See Sold PriceJul 26, 2025
*14.20Ct Welo Opal Polished - Ethiopian OpalKsmith Heritage Auctioneers4.3(47)See Sold PriceJul 27, 2025
