The Diamond grape is a white grape which is a cross between the
Concord and
Iona
Iona (; , sometimes simply ''Ì'') is an island in the Inner Hebrides, off the Ross of Mull on the western coast of Scotland. It is mainly known for Iona Abbey, though there are other buildings on the island. Iona Abbey was a centre of Gaeli ...
grapes. It was developed in the 1880s in New York.
It is used today in table wines and grape juice.
References
{{Wine-grape-stub
White wine grape varieties