Plate brooch in platinum (850°/°°) with openwork geometric decoration, entirely set with round diamonds, the three main brilliant-cut diamonds in closed settings calibrating approximately 0.85 ct and 2 x 0.15 ct. The pin in 18K (750‰) white gold, with pin and safety chain. Dimensions: approximately 48 x 24 mm - Gross weight: 13.4 g