channel set, flanked to either side by old round cut diamonds, all set in platinum, all the rubies are reported as Burma no heat, with the exception of one as SiamLength: 19cm / 7 3/8''
Width: 0.9cm / 5/16''Weight: 30g
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