An emerald and diamond brooch, circa 1910

An emerald and diamond brooch, circa 1910

Of pierced design, centrally set with a cushion-shaped diamond, to a radiating quadrilobe surround set with similarly-cut diamonds, highlighted with rays of step-cut emeralds, to a bi-colour mount, unmarked and untested, length 4.5cm, width 3.6cm, weight 9.8grs, accompanied by a shagreen box