Harry Winston (March 1, 1896 – December 8, 1978) was an American jeweler. He donated the Hope Diamond to the Smithsonian Institution in 1958 after owning it for a decade. He also traded the Portuguese Diamond to the Smithsonian in 1963 in exchange for 3,800 carats of small diamonds.
Winston founded the Harry Winston Inc. in New York City in 1932. He had been called by many the "King of Diamonds".
Source : Wikipedia
