Though diamonds are nothing more than carbon crystals, the sparkly rocks have been idolized as symbols of wealth and power for hundreds of years. Many of the largest gems have their own mythologies, ...

The Smithsonian’s National Museum of Natural History has acquired the 2.33-carat “Winston Red Diamond,” one of the world’s largest fancy red diamonds. It will be unveiled to the public on April 1 as ...

From the legendary Hope Diamond to a rainbow of colorful gemstones, a multigenerational bond between the Winston family and the Smithsonian transformed the museum’s world-renowned gem collection Emma ...

To mark the 250th anniversary of the United States, we’re cataloging 25 objects that define the country’s history. The United States does not have a rich diamond mining history, but an exhibit at the ...

The dazzling Motswedi diamond, the world’s second-largest gem, could soon dazzle visitors in a sheikh’s private museum once its true worth is assessed. Discovered in Botswana last year, the colossal 2 ...