Yellow gold, sapphire and diamond ring

18k yellow gold (750/1000) ring set with a sapphire and diamonds. One oval-cut sapphire, approximately 0.82 ct. Twenty brilliant-cut diamonds, approximately 0.005 ct each. Total diamond weight: approximately 0.1 ct. Width at the top: 0.96 cm. Ring size: 58. Total weight: 7.36 g. Owl hallmark. Excellent condition.