Hope Diamond - one of the largest blue diamonds on public display

The Hope Diamond is a 45.52-carat deep-blue diamond on public display at the Smithsonian National Museum of Natural History in Washington, D.C. It is considered one of the largest known blue diamonds in the world and is one of the museum's most visited objects. The diamond was donated to the Smithsonian in 1958 and is exhibited in the Hall of Geology, Gems, and Minerals.