Marguerite ring in white gold and diamond

Marguerite ring in 18k white gold (750/1000). Set with old-cut diamonds. Central diamond approximately 0.50 ct and six smaller diamonds approximately 0.15 ct each. Total diamond weight: approximately 1.40 ct. Width at the top: 1.47 cm. Ring size: 47. Total weight: 6.38 g. Owl hallmark. Excellent condition.