Hope Diamond Exhibit

At the National Museum of Natural History in Washington, D.C., the Hope Diamond is one of the most visited attractions. This blue gemstone, weighing 45.52 carats, is among the most famous and legend-shrouded jewels in the world. You can admire the stone in a display case, where it draws attention with its intense color and its unusual property of glowing red for up to a minute after being exposed to light. This phosphorescence is caused by trace amounts of boron and nitrogen in the crystal lattice. The diamond is not only a jewel but also a historical artifact that has traveled a colorful path through the centuries.

The stone's history goes back to the 17th century, when it was discovered in India and probably reached the French royal court in 1668. After the French Revolution, it disappeared for several years before resurfacing in England in 1830, where it was acquired by the banker Henry Philip Hope. Ownership passed through generations of the Hope family until it was sold in 1902. It then went through the hands of jewelers such as Pierre Cartier and Harry Winston, who in 1958 sent it as a gift to the Smithsonian Institution. Today its value is estimated at several hundred million dollars.

Numerous legends surround the diamond, particularly that of a curse said to bring misfortune upon its owners. These stories, however, do not hold up historically, as many of the events described as tragic did not coincide with the stone's ownership or can be attributed to ordinary circumstances of life. A recent study also suggests that the diamond formed at a depth of more than 660 kilometers (about 410 miles) in the lower mantle, which makes it geologically unique. At the museum, you get to experience not only a visual highlight but also a piece of cultural history that goes far beyond its purely material value.