An 18ct gold black opal and diamond heart pendant. The black opal cabochon, with brilliant-cut diamond surround, suspended from an old and brilliant-cut diamond tapered surmount and trace-link chain. Estimated total diamond weight 0.90ct. Hallmarks for London, 1981. Length of pendant 2.3cms. Length of chain 36cms. Weight 6.6gms. With fitted Tessier case.