Item #: 1579097 This is an authentic CHRISTIAN DIOR 18K Rose Gold Diamond Black Onyx Rose Des Vents Y Necklace. The necklace is crafted of 18 karat rose gold and features an eight pointed star motif set with a black onyx and diamonds, approximately .10 total carat weight in a Y-shaped style. Follow this item for alerts. Christian Dior is a registered trademark of Christian Dior. FASHIONPHILE is not affiliated with Christian Dior.