Brooch plate in platinum 850 thousandths with geometrical decoration openwork, decorated with three rectangular diamonds cut to degrees, one of approximately 1,00 ct and the two others of approximately 0.80 ct each, in a setting of one hundred and twelve old-cut or or eight-eighths cut diamonds, and four half-cut sapphires. sapphires, the pump and pin clasp in 18k white gold. in 18k white gold. Art Deco period. Estimated weight of diamonds: 6 cts Height : 2,6 cm 2.6 cm - Width : 5.5 cm - Weight : 14.9 g