Synonyms

rough diamond

British

noun

an unpolished diamond
an intrinsically trustworthy or good person with uncouth manners or dress

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

India exports about $10 billion a year of gems and jewelry to the U.S., according to the Global Trade Research Initiative, and processes most of the world’s rough diamonds.

From The Wall Street Journal

Everyone knew Jackson was a rough diamond, having played just 1,758 minutes of top-flight football, but he quickly established himself as Chelsea's starting striker.

From BBC

The Parkhead club once had a bit of a Midas Touch when it came to finding rough diamonds, polishing them up and then selling them on.

From BBC

In a statement, Lucara said the stone was "one of the largest rough diamonds ever unearthed".

From BBC

The company owns 85% of De Beers, which produces about a third of the world’s rough diamonds and sells diamond jewelry.

From Seattle Times

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023