open cut down collet set in gold, testing as 14ct, the amethysts of mixed cut Length 40.5cm / 16''
Central amethyst approximately 27.0 x 27.0 x 15.9mm Weight: 155.5g
Art Deco graduated natural pearl and fancy intense blue diamond necklace, probably Edmond Frisch, New York, c.1920, the 0.68ct marquise cut diamond forming the clasp,