Colour of Diamond
Colors in diamond originate from lattice defects and impurities. (See wikipedia.org for further explanation about this). Only atoms of nitrogen, boron and hydrogen can be introduced into diamond.
Natural radiation over millions of years that causes the color in green diamond.
Extreme pressure deep in the earth can abnormally compress diamond’s structure and creating a very rare of brown, purple, pink, or red diamonds. Evidence of it can be seen in many Argyle pink and congac diamonds.
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