Rough diamond

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A rough diamond is a diamond that has not been cut or processed. They come in a variety of naturally occurring shapes, including octahedral (eight-sided bipyramid), cubic, and triangular (most commonly macles).

A raw diamond or rough diamond can also be a type of diamond that is not fully developed or can have less brilliance. Extreme heat and pressure beneath the ground make the carbon atoms fuse in a specific structure.^[1]