These are authentic DAVID YURMAN Sterling Silver Diamond Amethyst 9mm Chatelaine Earrings. The earrings are crafted of sterling silver and feature 9mm amethyst stones held by diamond accented prongs with approximately .03 total carat weight. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.