Well you would need diamonds bigger than the Hope Diamond but you could ask Howard Rather from Uncut Gems to get some ...Oh wait he's dead.
The Battle between Stiffness And Damping Of The Speaker Enclosures!
This is a good article I found on 6moons!
Not connected with this company in any way
https://www.6moons.com/audioreview_articles/aequo3/
Not connected with this company in any way
https://www.6moons.com/audioreview_articles/aequo3/