Meaning of the word "diamond cuts diamond" in English

What does "diamond cuts diamond" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

diamond cuts diamond

US /ˈdaɪ.mənd kʌts ˈdaɪ.mənd/
UK /ˈdaɪ.mənd kʌts ˈdaɪ.mənd/
"diamond cuts diamond" picture

Idiom

used to describe a situation where two equally sharp, clever, or powerful people are pitted against each other

Example:
When the two master chess players met, it was a case of diamond cuts diamond.
The negotiation was intense because both lawyers were incredibly shrewd; it was diamond cuts diamond.