Solitaire ring in yellow gold and diamonds

18k yellow gold (750/1000) ring set with 17 brilliant-cut diamonds, totaling approximately 0.33 ct (one diamond weighing approximately 0.13 ct and 16 diamonds weighing approximately 0.013 ct). Width at the top: 0.33 cm. Ring size: 57. Total weight: 1.72 g. Excellent condition.