Cartier. A fine platinum, old brilliant and rose cut diamond and onyx brooch, signed Cartier (rubbed), circa 1920, approx 5.8cm long, 8.2gms, in fitted Cartier case
Cartier. A fine platinum, old brilliant and rose cut diamond and onyx brooch, signed Cartier (rubbed), circa 1920, approx 5.8cm long, 8.2gms, in fitted Cartier case.