Marguerite ring in yellow gold, emerald and diamond

Ring set with an emerald and diamonds. In 18k yellow gold (750/1000). A cabochon-cut emerald weighing approximately 5.75 ct. Surrounded by 12 brilliant-cut diamonds with a total weight of approximately 2.64 ct (each diamond weighing approximately 0.22 ct). Width at the top: 1.84 cm. Ring size: 51. Total weight: 7.05 g. Eagle's head hallmark. Excellent condition.