Item #: 1473280 This is an authentic DAVID YURMAN Sterling Silver Diamond Black Onyx 14mm Chatelaine Necklace. This necklace is crafted of a sterling silver box chain that holds a 14mm black onyx stone in a prong setting accented with diamonds, approximately .10 total carat weight. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.