flanked by a pair of old round European cut diamonds, claw set with rose cut diamond points between, coronet and scroll gallery, tapering shoulders, mounted in gold and platinum, accompanied by GCS report no. 81302-85 for the emerald giving the Colombian origin opinion and that it shows minor clarity enhancementLength along gem mount 1.5cm / 9/16''
Width 0.7cm / ΒΌ''Weight: 4g
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
Art Deco emerald and diamond ring, the emerald-cut Colombian emerald 4.46ct, flanked by step cut triangular diamonds, all bordered by baguette and trapezium cut diamonds,