I’m diamond 1 

A phrase used to describe someone who has extreme skill in something

*Aiden bowls a strike*

Aiden: I’m diamond 1

I’m diamond 1 by urbandictuser123 September 17, 2023

I'm diamond 1 

Someone who is very skilled at something. This mostly applying to people who are very good at Rainbow 6 Siege.

*James wins a 1v5*
James: I'm so fuckin good at this game, I'm diamond 1!

I'm diamond 1 by Random_dude_on_corner May 3, 2023