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
Bonita	[bə'ni:tə]
Arndt	AHRNT	German
Kilian	KEE-lee-ahn (German)	German, Irish, French
PaŠKal	-	Croatian (Rare)
Gemaryahu	-	Biblical Hebrew
Golshan	-	Persian