NM Estate reveals color in an Art Deco design for this faceted round amethyst and green onyx bead necklace. This piece is elevated with an ornamental clasp featuring rose-cut diamonds and a lozenge-shaped green onyx.; Approx. 20" length; Platinum with a polished finish; Six rose-cut diamonds; 0.10 total carat weight; One lozenge green onyx; 4.03 total carat weight; Eight green onyx; 28.20 total carat weight (7.9-8.4mm); 39 amethyst; 276.60 total carat weight (10-12mm); Professional cleaning recommended; Push-lock closure; Made in USA