Michael Kors Black Tie Affair Onyx Necklace D. MKJ6076791. Michael Kors is a world-renowned, award-winning designer of luxury accessories and ready-to-wear. His namesake company, established in 1981, currently produces a range of products under his signature Michael Kors Collection and MICHAEL Michael Kors labels. This sleek rose gold plated and onyx necklace is part of the Michael Kors jewellery collection. The stylish necklace features a sophisticated rectangular pendant adorned with five beautiful onyx stones. A must have addition to any jewellery collection. Please see our website for matching and further Michael Kors products.