rough diamond

Someone or something that is unrefined but has many exceptional aspects or underlying potential. Primarily heard in UK, Australia. The young actor was a rough diamond. With some training, she'd become a superstar.

Common Names:

Name	Pronounced	Usage
Filbert	-	Eastern African
Jay (2)	-	Indian, Hindi, Marathi, Gujarati
Lunete	-	Welsh Mythology, Arthurian Romance
Cadoc	-	Welsh
AndrÉA	-	Portuguese (Brazilian)
Vendela	-	Swedish