Marquise ring in yellow gold and diamond

Marquise ring in 18k yellow gold (750/1000). Set with 28 brilliant-cut diamonds, totaling approximately 0.42 ct (each diamond weighing approximately 0.015 ct). Total diamond weight approximately: 0.42 ct. Width at the top: 2.01 cm. Ring size: 54. Total weight: 3.99 g. Owl hallmark. Excellent condition.