18 ct. roségold, marked. The oval shaped cut Siam ruby in cushion cut approx. 3,01 ct. (8,97 x 7,39 x 4,95 mm) without indications of thermal treatment of intensive red colour. On the sides and framed by 28 round cut diam. in total approx. 0,80 ct. G-H.vvsi-vsi. Ringtop 14 x 13 mm, size 54, weight approx. 4,5 g. Details about the ruby according to gemstone report of GRS.