Marquise ring in yellow gold, white gold and diamonds

Marquise ring in 18k yellow and white gold (750/1000). Pavé with 20 diamonds: 12 brilliant-cut diamonds with a total weight of approximately 0.24 ct (each diamond weighing approximately 0.02 ct), and 8 brilliant-cut diamonds with a total weight of approximately 0.07 ct (each diamond weighing approximately 0.009 ct). Width at the top: 2.07 cm. Ring size: 53. Total weight: 4.52 g. Owl hallmark. Excellent condition.