Can someone clarify this for me(diamond related)

[Roadside]

Diamonds are very hard so they would always naturally have some utility value.

 

[humminbird]

yes diamonds are intrinsically worthless
if everyone realized they only want one because everyone else wants one there would be no buyers

 

[Jasonmask]

C'mon bruh
Clarity is one, what's the other 2

Cut and color lol I’m not one of those the game is to be sold not told gatekeeping nikka I just be low key lazy

 

[I AM WE ARE]

Diamonds are very hard so they would always naturally have some utility value.

That much I understand, but I'm saying for jewelry purposes