Item #: 874687 Year: 2020 This is an authentic CHRISTIAN DIOR 18K Yellow Gold Diamond Black Onyx Dior Pre Catelan Ring 57 8. The ring is crafted of 18 karat yellow gold and features a black onyx rose motif and a .04 carat diamond on the end of the rose's stem. Follow this item for alerts. Christian Dior is a registered trademark of Christian Dior. FASHIONPHILE is not affiliated with Christian Dior.