Marilyn Monroe once crooned that diamonds are a girl’s best friend. Judging by the price of these diamonds, they are a whole lot more than that. These top diamonds owned by rich millionaires and collectors are not only amazingly costly, but also extremely exquisite. These flawless diamonds have amazing color, clarity, cut and style. Their beauty is incomparable. Diamonds are more than gemstones…they are status symbols. These diamond owners have paid millions of dollars for diamonds that are considered extremely rare. Learn more about who the top 5 richest diamond owners are and how much cash they shelled out for buying these quality gemstones at this link.