Jewellery, Watches and Objects of Vertu

An opal and diamond pendant, the shaped triangular cabochon opal displaying a play of reds, greens and blues, collet mounted within a border of old-cut diamonds, suspended beneath a single stone brilliant-cut diamond surmount, two colour precious metal mounted, setting unmarked, to trace-link back chain, with ring and bolt clasp, principal diamond weight approximately 0.9 carats, pendant length 4.4cm. £1200-1500