Platinum and diamond brooch, the lozenge-shaped open work plaque bead-set to the centre with a line of nine old European-cut diamonds, framed by a finely engraved and filigree surround embellished by four diamond-set palmette motifs, the diamonds together weighing approximately 2.29 carats, approximately 70 x 26 mm, 14ct white gold brooch pin and fittings.