18 ct. white gold with yellow gold, marked. The colourful tanzanite in cushion cut approx. 16 ct. (approx. 17 x 13 x 8 mm), framed by 10 emeralds in oval cut in total approx. over 5 ct. and 92 round brillant cut diam. in pavé setting in total approx. 2,10 ct. I-S.vs-P. In front w. 22 mm, size 55, weight approx. 21 g.