750 thousand pink gold Tank ring set with a cushion-cut, slightly orange yellow sapphire weighing approx. 3.40 ct (probably reported), flanked by eight modern brilliant-cut diamonds. French work, 1950s. Sapphire size: 10.3 x 9.4 x 5 mm Total estimated diamond weight: 0.36 ct Finger: 53 - Gross weight: 13.5 g