Art Deco Carved Shell Cameo 14K White Gold Filigree Frame

Art Deco Carved Shell Cameo 14K White Gold Filigree Frame. The cameo is framed by a 14k white gold filigree border. The piece is fitted with a pin and swivel-up bale. It is marked 14k on the clasp. The diamond tests positive for a genuine diamond. This brooch measures 2" long by 1 1/2" wide. It is in excellent condition. circa 1940's.