Brooch with diamonds

im Brillant-, Alt- und Achtkantschliff von zus. ca. 3,3 ct, ca. FW-LGW (G-J)/SI-P2, davon großer Stein ca. 0,8 ct, GG 18K/Platin, 24,2 g, ca 6,2 x 5,2 cm, 1. H. 20. Jh., leichte Nutzungsspuren, vereinzelte Diamanten mit kleinen offenen Kerben (Naturals)..| Brooch with brilliant-, old- and octagonal-cut diamonds totalling approx. 3.3 ct, ca. FW-LTW (G-J)/SI-I2, of which large stone ca. 0.8 ct, YG 18K/platinum, 24,2 g, ca 6,2 x 5,2 cm, 1st half 20th century, minor signs of wear, scattered diamonds with small open notches (naturals)..