Originally, TOPKAPI, D LINE is the pairing of Streamlined contemporary Style and Historically inspired motif. We work with 925 Sterling, Vermeil, Rose Gold, and Black Rhodium plating. In addition to lead & nickel-free costume and trend designs. Started in 1992 by Korhan Cakmak and Donna Levine, D LINE has, had a wholesale trade show presence and has appeared in juried holiday retail markets. The evolving collection continues to be featured in Jewelry stores, gift stores, art galleries, museum shops and retail boutiques in the U.S.A and Internationally.