Brooch in 18K (750°/°°) yellow gold and platinum (850°/°°) set with off-centre convex circles, the central link and upper disc set with old-cut diamonds, the main one measuring approximately 0.60 ct (chipped and slightly chipped under the claw), and size 8x8. Watch hook on back. French work Dimensions: approx. 42 x 38 mm - Gross weight: 15.6 g