Aquamarine and diamond ring. Set to centre with an oval mixed scissor cut natural aquamarine in an open back claw setting with an approximate weight of 12.00 carats, flanked by twenty six round eight cut diamonds in open back grain settings with an approximate combined weight of 0.26 carats, to an ornate design featuring triple corner claws, intricate scrolling work, with further pierced gallery and open backholing, supporting an engraved design on the shoulders, flowing to a solid shank. Tested platinum and white gold, circa 1920.