he is one of the richest people in the world.
Prince Walid is a mover and shaker, owns a part of Fox News, largest shareholder in CitiGroup inc., the world's largest bank, owner of The Savoy in Paris, large shareholder in AOL.
UPDATE: It has been brought to my attention that this car couldn't possibly be totally covered in diamonds and only cost $4.8 million. So I did a search and found a blog post about an Austrian company that makes vehicles covered in a mix of diamonds and Swarovski crystals. Although Karl Seelos as head of the team (said) that the customers remain anonymous and (he was) unwilling to reveal the real prices, obviously the Prince had to brag about his 'diamond car'.