Have you watched blood diamonds? DeBeers has been killing a lot of people to keep their diamond monopoly in place. This monopoly is the only reason diamonds have any price.

Diamonds are very common. Anyone who has invested in diamonds has invested in a scam. A scam perpetuated by DeBeers, through holywood and other advertising. "Diamond are a girls best friend" - paid for by DeBeers.

So, i hope this bloody monopoly comes to a bloody end. If anyone on this planet deserves it, it is them.
I am sorry for anyone holding a diamond for its trading value.