18 ct. white gold, marked. In the center in prong setting the natural ruby in oval cut approx. 2,20 ct. (approx. 9,02 x 7,45 x 3,26 mm), with 12 diam. in round brillant and marquise cut in total approx. 1,87 ct. G-H.vvs-vs. Size 54, weight approx. 6 g. Details according to expertise of GeGEB no. 14243 with replacement value of 35.180 Euro of May 2016.