centred by a principal emerald-cut diamond of approximately 1.25ct, collet set and raised on a diagonal bands of baguette cut diamonds and flanked by squared-off Chinoisierie style scrolls and arrowed ends 'secured' on baguette diamond arc joins, mounted in platinum with 18ct white gold fitting, signed 'Cartier London', together with a pink leather Cartier caseLength 6.5cm / 2½''
Width 1.4cm / ½''
Central diamond approximately 7.70 x 4.90 x 3.60mmWeight: 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