Yellow gold and diamond ring

18k yellow gold (750/1000) ring set with diamonds. One central brilliant-cut diamond, weighing approximately 0.15 ct, surrounded by 19 brilliant-cut diamonds, each weighing approximately 0.19 ct (approximately 0.01 ct each). Total diamond weight approximately 0.34 ct. Width at the top: 1.38 cm. Ring size: 55. Total weight: 8.42 g. Eagle's head hallmark. Excellent condition.