When shopping for a diamond, whether for an engagement ring or a piece of fine jewelry, you’ll quickly encounter the term Four Cs—Cut, Color, Clarity, and Carat Weight. These four characteristics ...

Natural History Museum of Los Angeles County is bringing together rare colored gems never before seen in the United States inside the museum’s Gem and Mineral Hall in an exhibition titled “Diamonds: ...

Wondering how the color of your diamond might affect its value? Read our guide and learn everything you should know about diamond colors and value. The color of diamonds has a huge impact on their ...

Jeweler Harry Winston donated the famous Hope Diamond—the largest-known deep blue diamond in the world—to the Smithsonian Institution in 1958. It arrived in a plain brown package by registered mail, ...

Tsukuba, Japan - Researchers from the Department of Applied Physics at the University of Tsukuba demonstrated second-order nonlinear optical effects in diamonds by taking advantage of internal color ...

The Smithsonian National Museum of Natural History in Washington, D.C., is a wonder for all ages where one can explore fossils, the ocean, ancient Egypt, a butterfly habitat and the internal workings ...