Yellow Gold Opal Ring

18k yellow and white gold ring (750/1000). Set with an opal and diamonds. One cabochon-cut opal, weighing approximately 0.33 ct in total, surrounded by ten brilliant-cut diamonds, weighing approximately 0.07 ct in total (each diamond weighing approximately 0.005 ct). Width at the top: 0.92 cm. Ring size: 53. Total weight: 5.3 g. Eagle's head hallmark. Excellent condition.