A platinum, sapphire and diamond ring, Oscar Heyman & Brothers, of cluster design, centring a square emerald-cut Ceylon sapphire flanked by similarly shaped stones between claw-set circular-cut sapphires and diamonds, size M1/2, numbered 3355, accompanied by an Oscar Heyman certificate of authenticity and an Agl report numbered Cs 71153, dated 27 October 2015, stating that the sapphire is natural, with no indications of heating, of Ceylon (Sri Lanka) origin.