Ring in 750 thousandths white gold and 850 thousandths platinum, featuring a marquise-cut diamond approx. 0.50 ct, flanked by eight 8/8-cut diamonds, sculptural bezel. French work, 1950's. Main diamond size: 9.5 x 5.2 x 2 mm Total estimated diamond weight: 0.58 ct Finger: 54 - Gross weight: 10.6 g