This is a Diamond Cameo Brooch 1920's with a beautiful woman carved from shell and a small diamond inserted in the chest. The cameo dates from the roaring 20's as does the white gold setting with a good pin on the back. It has 4 enameled fittings on each side that can stay on or come off it is of the art deco style. The cameo measures 1 3/4 inch from top to bottom. Great condition.