Art Deco style pendant measuring app. 1 1/2 (including bail) x 3/4 inch wide, featuring a rectangular amethyst measuring app. 22 x 14.5mm, in a filigree frame set with Rose cut diamonds measuring app. 1.0 - 1.5mm, suspended from chain necklace, all fashioned in platinum. Mid 20th century. Length 17 1/14 inches.