Mimi di N (Princess Mimi di Niscemi) is an internationally known designer of Women's Costume Jewelry. Her costume jewelry and accessories graced the covers of Vogue and Harper's Bazaar in the 1960s and 70s. The Mimi di N Design belt buckles are classics and potentially heirloom collectibles. Mimi di N jewelry is featured in top design catalogs and reference books and she has designed for the most famous women of the 20th century, including Jackie Kennedy and the Duchess of Windsor.