Diamond and emerald bracelet, circa 1915, the elliptical shaped open work plaque set at the centre with an old European cut diamond weighing approximately 1. 00 carat, millegrain-set throughout with old European cut diamonds, highlighted by an interlaced ribbon of calibre cut emeralds, to a diamond line bracelet, the diamonds together weighing approximately 4. 00 carats, mounted in platinum, length approximately 180 mm.