Year: 2014 This is an authentic VAN CLEEF & ARPELS 18K White Gold Black Onyx Diamond Medium Cosmos Ring. This ring is crafted of 18 karat white gold and black onyx in a flower motif with a single round brilliant cut center diamond totaling approximately .29ctw diamonds an accented with small diamonds on one petal for a total approximate carat weight of .59ct. This is a radiant ring with the classic style only from Van Cleef & Arpels! Follow this item for alerts. Van Cleef & Arpels is a registered trademark of Van Cleef & Arpels. FASHIONPHILE is not affiliated with Van Cleef & Arpels.