Most diamonds originate at the bottoms of tectonic plates. But the giant blue Hope and Cullinan diamonds may have originated far deeper within the planet. Source: https://www.livescience.com/hope-cullinan-diamonds-deep-origins.html
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Most diamonds originate at the bottoms of tectonic plates. But the giant blue Hope and Cullinan diamonds may have originated far deeper within the planet. Source: https://www.livescience.com/hope-cullinan-diamonds-deep-origins.html