Entourage ring in white gold, emerald and diamonds

White gold 750 thousandths (18K) ring, set with an emerald, emerald cut, weighing approximately 1.06 ct, surrounded by 18 brilliant-cut diamonds, with a total weight of approximately 0.23 ct (each diamond weighing approximately 0.01 ct), and 16 brilliant-cut diamonds, with a total weight of approximately 0.32 ct (each diamond weighing approximately 0.02 ct). Total diamond weight approximately: 0.55 ct. Width on top: 1.10 cm. Ring size: 58. Total weight: 3.87 g. Owl hallmark. Excellent condition.