A SLAC-Stanford study reveals exactly what it takes for diamond to crystallize around a “seed” cluster of atoms. The results apply to industrial processes and to what happens in clouds overhead.

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 ...

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, ...

Most diamonds are made of carbon recycled over and over again between Earth’s surface and its crust. But diamonds with the deepest origins — such as the famed Hope Diamond — are made of carbon from a ...

Despite being around since the 1950s, lab-grown diamonds have only recently exploded in popularity. Allied Market Research states that, in 2022, the global diamond market was valued at $100.4 billion ...

Tiny flaws in diamonds hold the secret to the formation of the first continents. In a new study, researchers used inclusions — imperfections derided by jewelers but valuable to scientists — to trace ...

A team of scientists analyzes 46 blue diamonds to trace how deep in the earth do they come from and how exactly do they get their precious color. Blue diamonds or type IIb diamonds are particularly ...

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