22.5ct Oval Cut Cabochon Bright Iridescence Multicolor Black Opal GemstoneWeatherham Estate Treasures3.9(245)$1,300Jul 30, 2026
3.15 Carats AAA Black Fire Opal Loose Gemstone ? Fine Jewelry Quality - 16X8X6 mmFantasy Jewelry3.8(146)$981 day Left
2.50ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 83WPLazo Heritage4.3(14)$2513 hrs Left
Natural Multi Color Doublet Opal Gemstones 0.92 Ct. Free Form Cabochon Shape 8.3 x 5.9 Mm.Treasure of Gems & Jewelry4.4(250)$15 days Left
1.70Ct Welo Black Opal Polished - Ethiopian OpalKsmith Heritage Auctioneers4.3(47)See Sold PriceJun 29, 2025
1.75Ct Welo Black Opal Polished - Ethiopian OpalKsmith Heritage Auctioneers4.3(47)See Sold PriceJun 29, 2025
LARGE 18.5 CARATS NATURAL AUSTRALIAN FIRE OPAL LOOSE STONE 29MM X 22MMModern Jewelry4.5(215)$35012 hrs Left
