Although they say that diamonds are a girl’s best friend, but only the world’s top billionaires can expect to impress their spouses/girlfriends with the most expensive diamonds in the world. Most of the world’s valuable diamonds are in the possessions of royal families, and the few that are occasionally available for auction attract the world’s richest collectors and celebrities. Most of the world’s best diamonds have originated in the mines of India and South Africa. The $350 million Hope Diamond, the $400 million Cullinan or the $100 million De Beers Centenary Diamond dazzles people with its size, color and exorbitant price. To read more about the world’s most expensive diamonds, visit the following link.