The Complex Tech Behind Growing Diamonds in Minutes | WSJ Tech Behind

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September 25, 2025
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The Wall Street Journal
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The Complex Tech Behind Growing Diamonds in Minutes | WSJ Tech Behind

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  • [Narrator] This is a synthetic diamond. It doesn't look anything like jewelry because that's not what it's for. We went inside one of the world's most innovative and closed off labs to see how it makes synthetic diamonds that are used to build everything from drills, to speakers, to lasers. It requires extreme conditions, like plasma heated to mo... Read More

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