8 avril 2014
A pair of opal and diamond pendent earrings, circa 1890-1900
A pair of opal and diamond pendent earrings, circa 1890-1900. Photo: Bonhams. Each oval cabochon opal highlighted by collet-set rose-cut diamonds, suspending a cushion-shaped diamond in square collet-setting and a pear-shaped cabochon opal drop, within...