Dome ring in 750 thousandths white gold and 850 thousandths platinum set with thirty-seven 8/8-cut diamonds (one small accident), the main one of old brilliant cut approx. 1.30 ct. French work from the 1950s. Total estimated diamond weight: 3 ct Main diamond size: 6.9 - 7.3 x 4.3 mm Finger: 54 - Gross weight: 8 g