1.42Ct Welo Black Opal Polished - Ethiopian OpalKsmith Heritage Auctioneers4.3(45)See Sold PriceJul 27, 2025
3.60ct AFRICAN BLACK OPAL OVAL CABOCHON CUT NATURAL UNTREATED RAREModern Jewelry4.4(205)$2,400Mar 19, 2026
Natural Multi Color Turquoise 4.31 Ct. Oval Cabochon Shape 13.9 x 10 Mm. Gemstone from indiaTreasure of Gems & Jewelry4.4(221)$1Mar 15, 2026
2.40 ct Natural Multicolor Opal Triplet – Oval CabochonWeatherham Estate Treasures4(220)$150Mar 02, 2026