rough diamond

noun

British

: a person who has talent or other good qualities but who is not polite, educated, socially skilled, etc.

Examples of rough diamond in a Sentence

Recent Examples on the Web

But a significant split can be seen in the prices of diamonds sold by De Beers with the overall average price up 4% to $160 per carat, a rise attributed to a higher proportion of top value stones whereas the average rough diamond price was down 18%. —Tim Treadgold, Forbes, 28 Oct. 2024

At 120,000 square feet, this hunk of rough diamond owned, as of last year, by a not-for-profit, is to be restored as a house museum fit to be called America’s Versailles. —Brian T. Allen, National Review, 8 Aug. 2024

Over the course of six to 10 weeks, these processes eventually form a rough diamond that can be shaped into a gemstone, Brilliant Earth said. —Justin Klawans, The Week Us, theweek, 7 Jan. 2024

But a drop in rough diamond prices does not mean shoppers will see cheaper price tags in stores. —Eva Rothenberg, CNN, 1 Oct. 2023