This is an authentic CHRISTIAN DIOR 818K Yellow Gold Diamond Mimirose Chain Ring size 53 or 6.25. This ring is crafted of 18 karat yellow gold and features a single diamond, weighing approximately .04 total carat weight stationed on a link chain. Follow this item for alerts. Christian Dior is a registered trademark of Christian Dior. FASHIONPHILE is not affiliated with Christian Dior.