Jewellery, Watches, Antiquities and Objects of Vertu

A black opal ring, the shallow cabochon opal displaying a play of greens, blues and purples, in twin claw mount, white precious metal, with bead sizers to the inside shank, dimensions of opal 16.5 x 14.5 x 5.5mm, ring size approximately L - L½. £1,500-£2,000