When you are one of the world's richest individuals, perhaps this is how you romance your stones - use them to cover your latest acquisition!
The Mercedes coupe you see above is covered in honest-to-God diamonds and belongs to Prince Alwaleed, the Saudi Arabian billionaire investor who was the second richest man in the world, back in 1999.
He might have fallen a few notches in the billionaire rankings since then. But he's still up there with a fortune, anchored by a $10 billion stake in Citigroup. So he can paint his car with diamonds, can’t he?
(Pssst! Here's a peek at his yacht.)