Leilão Bidspirit | A BLACK OPAL AND DIAMOND

A BLACK OPAL AND DIAMOND RING - Set with an oval black opal plaque flanked by half-moon-shaped diamond shoulders, to the plain shank, mounted in platinum, opal weighing approximately 6.65 carats, ring size 6 橢圓形黑色蛋白石戒指，配以小鑽，鑲鉑金，黑色蛋白石重約6.65克拉，戒指尺寸6