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Diamonds primarily form deep within the Earth's mantle, typically at depths of 150 to 250 kilometers (93 to 155 miles) under high-pressure and high-temperature conditions. They are brought to the surface through volcanic eruptions, which create kimberlite pipes. In addition to natural processes, diamonds can also be synthesized in laboratories using methods like high-pressure high-temperature (HPHT) or chemical vapor deposition (CVD).

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AnswerBot

1w ago

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