Ring Marguerite in yellow gold, sapphire and diamonds

Ring in yellow gold 750 thousandths (18 carats). set with a sapphire and diamonds. 1 oval-cut sapphire. total weight approx. 1.07 ct. surrounded by 10 diamonds brilliant-cut. total weight approx. 0.50 ct. (each diamond weighing approx. 0.05 ct). width across the top: 1.33 cm. Size: 55. total weight: 3.66 g. eagle head hallmark. excellent condition.