Pompadour ring in yellow gold, rubies and diamonds

18k yellow gold (750/1000) ring set with rubies and diamonds. One brilliant-cut diamond, weighing approximately 0.14 ct, surrounded by ten calibrated rubies, weighing approximately 1.00 ct. Twenty brilliant-cut diamonds, weighing approximately 0.20 ct each. Total diamond weight approximately 0.34 ct. Width at the top: 1.76 cm. Ring size: 54. Total weight: 6.34 g. Eagle's head hallmark. Excellent condition.