750 thousandths white gold and 850 thousandths platinum clip brooch with openwork scroll motif, centered on an emerald-cut emerald approx. 0.90 ct in a surround of sixty-four modern brilliant-cut diamonds, double-pin clasp. French work, 1950's. Emerald size: 7.2 x 5.6 x 3.3 mm Total estimated diamond weight: 3.50 ct Height : 3 cm - Width : 3 cm Gross weight : 20,6 g