Skirt ring in yellow gold 750 thousandths, centered on an old cushion-cut yellow sapphire approx. 2 ct in a surround of twenty-four trapezoid-cut diamonds. M. O.: Edouard ALGIER (registered in 1920). Sapphire size: 7.3 x 5.2 x 6.1 mm Total estimated diamond weight: 1.50 ct Finger: 54 - Gross weight: 6.1 g