Cushion shape old mine diamond ring. Set with a cushion shape old mine diamond in an open back claw setting with a weight of 0.95 carats, additionally set with six round eight cut diamonds in open back grain settings with a combined weight of 0.12 carats. The total approximate diamond weight is 1.07 carats, to a central pierced collet with elegant curving claws and ornate backholing, and flanked by slightly raised shoulders with cheniers which lead smoothly to a D-shape shank. Tested platinum, English, circa 1930.
