18 ct. white gold, marked. Extraordinary purple sapphire of high brilliance and intensive colour almost round cut approx. 10,65 ct. (12,18 x 12,44 x 8,41 mm). Framed by 16 round cut diam. in total approx. 1,57 ct. G-H.vvsi-vsi. Ringtop diameter 19 mm, size 56, weight approx. 10 g. With report of Carat Gem Lab for the natural sapphire ('no indications of heating').