Diamond, also known as Caseyville, is an unincorporated community in southern Raccoon Township, Parke County, in the U.S. state of Indiana.

History

Diamond was platted in 1893 as a coal town. The community's name alludes to the diamond-shaped deposits of coal.

Geography

Diamond is located at 39°36′41″N 87°09′58″W / 39.61139°N 87.16611°W / 39.61139; -87.16611 at an elevation of 636 feet.