Untreated black diamonds

[Autumn in New England]

Hello all,

Does anyone know a supplier who carries natural black diamonds that are not irradiated? I'm looking for melee sizes. I've never seen them, but I figured if anyone knows, it would be the folks in this forum. TIA!

Best,
Autumn

 

[Garnetgirl]

Maybe Leibish?

 

[Rfisher]

Benma?
Karen Rosengart?