What element are diamonds composed of

diamonds are carbon based and have a giant covalent structure

Explanation:

This is what gives diamonds its strength and rigidity.

Diamonds are different from graphite due to the way the atoms are arranged

Diamonds are composed almost entirely of the element carbon maybe sometimes with impurities in them, such as nitrogen (i. e., pure diamonds are entirely carbon). The element carbon comes in three different natural forms, or allotropes: diamond, graphite, and amorphous. : p