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, ...
The world's largest source of natural pink diamonds, Australia's Argyle mine, closed in 2020. However, researchers think they have an idea of where to find more rich sources of pink diamonds. Turns ...
A pair of diamonds that formed hundreds of kilometers deep in Earth’s malleable mantle both contain specks of materials that form in completely opposing chemical environments—a combination so unusual ...
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