Yellow gold and quartz ring

18k yellow gold ring (750/1000). Set with a square cushion-cut smoky quartz weighing approximately 3.77 carats and two brilliant-cut diamonds, each weighing approximately 0.005 carats. Total diamond weight: approximately 0.01 carats. Width at the top: 1.11 cm. Ring size: 49.5. Total weight: 3.43 g. Owl hallmark. Excellent condition.