• AdrianTheFrog@lemmy.world
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    21 hours ago

    synthetic diamond sizes keep getting bigger, but it is much harder to make them I think

    As of 2023 the heaviest synthetic diamond ever made weighs 30.18 ct (6.0 g); the heaviest natural diamond ever found weighs 3167 ct (633.4 g). Wikipedia

    That would be 1.7 vs 181 cm3