Early 20th cent. Platinum. The aquamarin in round cut approx. 54 - 50 ct. (approx. diameter 25 mm, h. 16 mm), the open worked millegriffes setting with 108 diam. in old 8/8 cut in total approx. 1,50 - 1,60 ct. I-K.vs-P. and 24 small rose cut diam. Needle in yellow gold added. Diameter 47 mm, weight approx. 25,5 g.