18 ct. white gold, marked. Top and pendant each with one blue topaz in cushion cut of in total over c. 41 ct. (15,9 x 13,5 and 11,5 x 9 mm). The framing with over 136 small round cut diam. in total c. 1,40 ct. H-J.si-P. Pendant removeable. 20 x 19 mm, weight c. 27 g.