Geologists studied these scraps of diamond leftover from the shaping of big jewels. Evan Smith/Gemological Institute of America hide caption

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Evan Smith/Gemological Institute of America

Big Diamonds Bring Scientists A Message From Superdeep Earth

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Labs are now churning out large white diamonds that are indistinguishable from those found in nature. The diamond on the left is lab-grown, while the uncut version of the one on the right was created by millions of years of intense pressure. Michael Rubenstein for NPR hide caption

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Michael Rubenstein for NPR

Lab-Grown Diamonds Come Into Their Own

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Found in Botswana, the Lesedi la Rona diamond is up for auction and valued at $70 million. Seth Wenig/AP hide caption

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Seth Wenig/AP

When Botswana Sells Its Big Diamond, Who Will Benefit?

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Physicists put diamonds at the center of this massive laser, to see what would happen. Matt Swisher/Matt Swisher/LLNL hide caption

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Matt Swisher/Matt Swisher/LLNL

Physicists Crush Diamonds With Giant Laser

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Yves Herman /Reuters /Landov

31 Suspects In 3 Nations Nabbed In $50 Million Diamond Heist

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