Solitaire ring in yellow gold and diamond

18k yellow gold ring (750/1000), pavé-set with diamonds. One old-cut diamond, weighing approximately 1.14 ct. Two brilliant-cut diamonds, totaling approximately 0.36 ct. Four brilliant-cut diamonds, approximately H-VS clarity, totaling approximately 0.44 ct. Total diamond weight: 1.94 ct. Width at the top: 0.60 cm. Ring size: 50. Total weight: 3.96 g. Owl hallmark. Excellent condition.