A diamante poem, or diamond poem, is a style of poetry that is made up of seven lines. The text forms the shape of a diamond (%). The form was developed by Iris Tiedt in A New Poetry Form: The Diamante (1969).

Believe it or not, the diamante was invented just 40 years ago. It was created by an American poet named Iris McClellan Tiedt in 1969, and has become very popular in schools. Also known as a diamond poem  because of its shape, there are two different types of diamantes; synonym diamantes and antonym diamantes.