Ring Solitaire in white gold and diamonds

Ring in white gold 750 thousandths (18 carats). set with diamonds. 1 diamond old cut. total weight approx. 0.50 ct. surrounded by 6 diamonds old cut. total weight approx. 0.17 ct. total weight diamonds approx.: 0.67 ct. width at top: 0.90 X 0.88 cm. Size: 55. total weight: 4.47 g. owl hallmark. excellent condition.