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
Mattias	mah-TEE-ahs (German)	German, Swedish
Jehonathan	-	Biblical
Line	-	Danish, Norwegian, French
Mona	['məunə]
Iliya	-	Bulgarian
Izdihar	-	Arabic