Jewellery, Watches and Objects of Vertu

A sapphire and diamond panel ring, centred with a cushion-shaped old-cut diamond and set throughout with vari-cut sapphires, spaced by millegrain set single-cut diamonds, the shoulders similarly set and engraved with foliate decoration, signed ‘JoAq’, stamped ‘PLAT’, total diamond weight approximately 2.06 carats, ring size L½. £1,500-£2,000