Item #: 1756603 This is an authentic CHRISTIAN DIOR 18K Rose Gold Diamond Black Onyx Rose Des Vents Medallion Necklace. The necklace is crafted of 18 karat rose gold and features a compass motif pendant set with a polished black onyx and a round brilliant cut diamond, approximately .15 carat. Follow this item for alerts. Christian Dior is a registered trademark of Christian Dior. FASHIONPHILE is not affiliated with Christian Dior.