Yellow gold and diamond ring

18k yellow gold (750/1000) ring set with diamonds. One central brilliant-cut diamond, weighing approximately 0.10 ct, surrounded by eight brilliant-cut diamonds, weighing approximately 0.08 ct each (each diamond weighing approximately 0.01 ct). Total diamond weight approximately 0.18 ct. Width at the top: 0.71 cm. Ring size: 54. Total weight: 2.70 g. Excellent condition.