The Hope Diamond at the National Museum of Natural History

The Hope Diamond, a 45.52-carat blue diamond donated to the Smithsonian in 1958, has been a long‑standing highlight of the National Museum of Natural History’s gem and mineral collections. The gem has been displayed in the museum’s geology, gems, and minerals galleries and is presented with interpretation about its history, geology, and conservation. The diamond draws international visitors and is part of the museum’s scientific and public-education missions.