Solitaire ring in white gold and diamonds

18k white gold ring (750/1000), pavé-set with diamonds. One princess-cut diamond, total weight approximately 0.23 ct. Nine brilliant-cut diamonds, total weight approximately 0.09 ct (each diamond approximately 0.010 ct). Width at the top: 0.30 cm. Ring size: 49. Total weight: 2.94 g. Excellent condition.