Rough diamond

For other uses, see Rough Diamond (disambiguation).

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 selection of diamonds, cubic and octahedral

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]

See also

• Bort
• Carbonado
• Diamond clarity
• Diamond type
• List of diamonds