Cushion shape old mine diamond ring, English, circa 1910.
Cushion shape old mine diamond ring. Centrally set with a cushion shape old mine diamond in an open back claw setting with a weight of 0.85 carats, flanked to either side with six round single cut diamonds in open back grain settings with a combined weight of 0.09 carats. The total approximate diamond weight is 0.94 carats, to an elegant solitaire design with intricately pierced circular collet, curving claws and shaped backholing, the squared shoulders lead to a solid shank. Marked 18 carat rose gold and platinum, English, circa 1910.