Art Deco Platinum and Diamond Brooch, the articulated navette bezel-set with an old European-cut diamond weighing approx. 3.62 cts., further set with old single-cut diamond melee, approx. total diamond wt. 6.30 cts., calibre-cut emerald highlights, millegrain accents, (removable white gold pinstem, chips). Graded in the mounting as approx. L/M color, I1 clarity.