Ring Pompadour en white gold, emerald and diamonds

Ring pompadour en white gold 750 thousandths (18 carats). set with an emerald and diamonds. 1 square-cut emerald. total weight approx. 0.50 ct. surrounded by 10 diamonds brilliant-cut emeralds, total weight approx. 1.00 cts. (each diamond each weighing approx. 0.10 ct). top width: 1.60 cm. Size size: 54. total weight: 4.24 g. owl hallmark. excellent condition.