AN ART DECO DIAMOND BROOCH
Designed as an openwork geometric plaque, centering upon an old European-cut diamond, flanked on either side by an old European and single-cut diamond circle, each set with a square-cut diamond vertical band, mounted in platinum, circa 1930, with French assay marks and maker's mark, in a black leather fitted case
AN ART DECO DIAMOND BROOCH
Designed as an openwork geometric plaque, centering upon an old European-cut diamond, flanked on either side by an old European and single-cut diamond circle, each set with a square-cut diamond vertical band, mounted in platinum, circa 1930, with French assay marks and maker's mark, in a black leather fitted case
