3.60ct AFRICAN BLACK OPAL OVAL CABOCHON CUT NATURAL UNTREATED RAREModern Jewelry4.4(204)$2,400Mar 19, 2026
Natural Multi-Color Opal 1.05 Ct. Oval Cabochon Shape 8 x 6.4 Mm. GemstoneTreasure of Gems & Jewelry4.4(223)$1Mar 22, 2026
3.08 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 12.8x9.3mm, 2XMThousandPlanet4.4(238)$56 hrs Left
4.71ct AFRICAN BLACK OPAL OVAL CABOCHON CUT NATURAL UNTREATED RARE 13x10mmModern Jewelry4.4(204)$3,300Mar 19, 2026
3.52 Carats Koroit Boulder Opal Cabochon - Natural Australian Stones 13.2x9.9mm, 19XMThousandPlanet4.4(238)$56 hrs Left
1.31ct AFRICAN BLACK OPAL OVAL CABOCHON CUT NATURAL UNTREATED RAREModern Jewelry4.4(204)$2,000Mar 19, 2026
5.45ct Boulder Opal Cabochon - Natural Matrix Vein Specimen, 61XMThousandPlanet4.4(238)$5(1 bid)1 day Left
