Marquise ring in yellow gold, rubies and diamonds

18k yellow gold (750/1000) ring set with rubies and diamonds. One round-cut ruby, weighing approximately 0.16 ct. Two round-cut rubies, weighing approximately 0.14 ct, surrounded by 16 brilliant-cut diamonds, weighing approximately 0.32 ct. Width at the top: 1.93 cm. Ring size: 53. Total weight: 4.66 g. Owl hallmark. Excellent condition.