Diamonen Island (64°2′S 61°17′W / 64.033°S 61.283°W / -64.033; -61.283) is an island lying north of Moreno Rock in Gerlache Strait, off the west coast of Graham Land. It was charted by the Belgian Antarctic Expedition under Gerlache, 1897–99. The island was called "Big Diamonen Island" by Captain Skidsmo of the Graham in 1921–22. The name was shortened by the UK Antarctic Place-Names Committee in 1960.

• List of Antarctic and sub-Antarctic islands

 This article incorporates public domain material from "Diamonen Island". Geographic Names Information System. United States Geological Survey.