RAPAPORT... Graff has bought the New York property that has housed itsflagship boutique for nearly 20 years, the London-based jeweler said Tuesday. The building, at 710 Madison Avenue on the corner of 63rd Street, was designed by celebrated US architect Peter Marino, who has alsocreated stores for other high-profile clients, including Calvin Klein, Chanel, ChristianDior and Louis Vuitton. Graff purchased the site, which has been its home since2001, to ensure the company can remain in the location long-term. Madison Avenue is located on the Upper East Side ofManhattan, an exclusive area that holds many luxury and designer stores. Image: The Madison Avenue Graff boutique. (Graff)