Tank ring in 750 thousandths pink gold and 850 thousandths platinum set with four old-cut diamonds, the two largest weighing approximately 1.20 and 1.80 ct (slight accident to the smaller of the two). Numbered 2044. French work, 1940's. Main diamond sizes: 7 - 7 x 4.2 and 8.4 - 8.2 x 4.6 mm Estimated total diamond weight: 3.50 ct Finger: 52 - Gross weight: 16.5 g