Art Deco diamond and rock crystal panel brooch by Boucheron, Paris, of geometric design formed of stepped overlaid polygonal crystal and diamond panels, the larger crystal septagon panel base topped by a pave diamond hexagon and a crystal pentagon, all pierced through and with diamond geometric join pave set with baguette and round brilliant cut diamonds, mounted in platinum and white gold to the hinged clip to back, this signed 'Boucheron Paris', with French assaymarks and indiscernible workshop mark
Mid-20th century gold and diamond stylised bouquet of flowers brooch by Cartier, Paris c.1965, with a cluster of nine round brilliant cut diamonds forming flowerheads emerging from a wrapped cone of gold wirework, the gold stems seen at the bottom, signed Cartier Paris, serial number 012691, French gold assaymarks for gold and with the crossed C's workshop mark for Cartier, diamond weight 1.25cts
Art Deco diamond and rock crystal panel brooch by Boucheron, Paris, of geometric design formed of stepped overlaid polygonal crystal and diamond panels, the larger crystal septagon panel base topped by a pave diamond hexagon and a crystal pentagon, all pierced through and with diamond geometric join pave set with baguette and round brilliant cut diamonds, mounted in platinum and white gold to the hinged clip to back, this signed 'Boucheron Paris', with French assaymarks and indiscernible workshop mark