A computer modeling study of the Tavernier, French Blue and Hope diamonds was conducted. The results support the long-held theory that the diamonds are in fact the same stone, concluding that the Hope Diamond is likely the only surviving piece of the diamond originally sold to King Louis XIV–the rest having been ground away during the various recuttings. This research, conducted by Jeffrey Post, Smithsonian curator of the National Gem Collection, Steven Attaway, engineer and gem cutter, and Scott Sucher and Nancy Attaway, gem cutting experts, was featured on the Discovery Channel. The film, “Unsolved History: Hope Diamond,” premiered Feb 10, 2005.
In 2007, a lead cast of the French Blue diamond was discovered in the mineral collection of the Museum National d’Histoire Naturelle in Paris, permitting additional refinements to the modeling study.
Computer models depicting the history of the Hope Diamond, including (counterclockwise from top) the Tavernier, the French Blue, and the Hope Diamond.
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