18ct white gold, sapphire and diamond 'Regina' ring, Canturi, of cluster design, centring a cushion-shaped sapphire stated to weigh 12.65 carats, claw-set within an open work geometric surround pave -set with brilliant-cut diamonds, between open work shoulders centring a line of collet-set baguette sapphires flanked by diamonds, the small diamonds and small sapphires together stated to weigh 0.47 carat and 0.39 carat respectively, size L, signed Canturi. Accompanied by a facsimile Canturi Appraisal numbered MV522691, dated 8 July 2019 and a Canturi pouch.