of geometric design, with three principal carved ruby leaves on a diamond set stem with pave diamond leaves, dotted with round cabochon sapphire and ruby collet accents, from a stepped diamond line stylised pot with black enamelled triangular feet, serial number 82850Length 4cm / 1½''Weight: 9g
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