Diamond is an unincorporated community in Harney County, Oregon, United States.

Diamond is west of Oregon Route 205 and south of Malheur Lake, 52 miles (84 km) south-southeast of Burns by highway.

[3] Settled in 1874–75, the community got its name from a diamond-shaped branding iron used by a local cattle rancher on the Diamond Ranch.

Diamond Lane, which runs generally east–west, links the community to Route 205 between Frenchglen to the south and Burns to the north.

This Harney County, Oregon state location article is a stub.