This is an authentic DAVID YURMAN Sterling Silver Diamond Amethyst Oval Chatelaine Necklace. The necklace is crafted of sterling silver and features an oval amethyst stone set with diamond accented prongs, approximately .06 total carat weight. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.