Question

how do diamond can be prepared artificially?​

Answer 1

Explanation:

Artificial diamonds are made by subjecting pure carbon or graphite to high pressure and temperature this method of preparing diamonds is called High pressure,High temperature (HPHT).

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Answer 2

1. Artificial diamond are made by subjecting pure graphite to high pressure and temperature this method of preparing diamonds is called high pressure,high temperature.

2. second method by chemical vapour deposition.

these diamond do not have any flaws