Rectangular-shaped plate brooch in platinum 850 ‰ and white gold 750 ‰ adorned in the center with an old-cut brilliant of +/- 1.50 carats in color and clarity estimated I-J / SI3, shouldered by two bridges set with baguette diamonds between geometric elements entirely paved with 8x8 brilliants. Total diamond weight is +/- 5 carats. French work of the 30's PB. 16.9 g - Dim. 5.5 x 3 cm In a black suede leather case