18 ct. roségold, marked. The oval cut Siam ruby in cushion cut of intensive, vivid red colour approx. 3.01 ct. (8.97 x 7.39 x 4.95 mm) no indication of thearmal treatment. Framed by 28 round brillant cut diam. in total approx. 0,80 ct. E-H.vvs-vs. Size 54, weight approx. 4.5 g. Details of the ruby according to GRS report of August 2010.