hung with an oval cabochon sapphire in lambrequin shaped diamond border, suspended upon a double diamond collet chain from two similar landscape clusters, millegrain set, the pin signed 'CARTIER', with workshop mark for Henri Picq and French assaymarks to both pin and one upper cluster galleryWidth at top 5.6cm / 2¼''
Length hung 5.7cm / 2¼''Weight: 12g
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