4.71ct AFRICAN BLACK OPAL OVAL CABOCHON CUT NATURAL UNTREATED RARE 13x10mmModern Jewelry4.5(204)$3,300Mar 19, 2026
4.71ct AFRICAN BLACK OPAL OVAL CABOCHON CUT NATURAL UNTREATED RARE 13x10mmModern Jewelry4.5(204)$3,3002 days Left
1.31ct AFRICAN BLACK OPAL OVAL CABOCHON CUT NATURAL UNTREATED RAREModern Jewelry4.5(204)$2,000Mar 19, 2026
1.31ct AFRICAN BLACK OPAL OVAL CABOCHON CUT NATURAL UNTREATED RAREModern Jewelry4.5(204)$2,0002 days Left
3.60ct AFRICAN BLACK OPAL OVAL CABOCHON CUT NATURAL UNTREATED RAREModern Jewelry4.5(204)$2,4002 days Left
3.60ct AFRICAN BLACK OPAL OVAL CABOCHON CUT NATURAL UNTREATED RAREModern Jewelry4.5(204)$2,400Mar 19, 2026
1.88ct NATURAL AFRICAN MULTI COLORED OPAL CUSHION CABOCHON 9x9mmModern Jewelry4.5(204)$370Mar 19, 2026
1.88ct NATURAL AFRICAN MULTI COLORED OPAL CUSHION CABOCHON 9x9mmModern Jewelry4.5(204)$3702 days Left