Solitaire ring in white gold and diamonds

18k white gold ring (750/1000) set with diamonds. One brilliant-cut diamond, totaling approximately 0.146 ct. Six brilliant-cut diamonds, totaling 0.03 ct (each diamond weighing approximately 0.005 ct). Width at the top: 0.40 cm. Ring size: 54. Total weight: 2.76 g. Excellent condition.