18 ct. yellow gold with white gold, marked. In prong setting the diam. in octagonal phanasie cut approx. 5,90 ct. FancyLightBrown.P. (9,9 x 9,7 x 7 mm), framed by 2 diam. in princess cut in total approx. 0,45 ct. and 12 small round cut diam. in total approx. 0,10 ct. L.vsi-P. In front w. 10,5 mm, size 54, weight approx. 8,8 g. Details and replacement value of 17.400 Euro according to report of the Gemmologisches Institut Hamburg of 2014.