Signet ring in white gold, emerald and diamonds

18k white gold ring (750/1000) set with an emerald and diamonds. One emerald-cut emerald, weighing approximately 0.75 ct, surrounded by two brilliant-cut diamonds, each weighing approximately 0.06 ct (approximately 0.03 ct each). Width at the top: 1.45 cm. Ring size: 65. Total weight: 13.81 g. Owl hallmark, partially worn. Excellent condition.