Leilão Bidspirit | A BLACK OPAL AND DIAMOND

A BLACK OPAL AND DIAMOND RING - Set with a domed black opal cabochon weighing 12.43 carats within a tapered baguette- and brilliant-cut diamond surround, to the quarter-hoop and openwork gallery of scroll motifs, mounted in platinum, ring size 6¼ Accompanied by a gemological report, stating that the 12.43 carats natural opal is black opal, report no. FQ 61850