The Most Expensive Diamonds in the World: The Moussaieff Red diamond ($7 million)

The Moussaieff Red Diamond is a diamond measuring 5. 11 carats (1. 022 g) with a triangular brilliant cut  sometimes called a trillion or a trilliant cut, rated in color as Fancy Red by the Gemological Institute of America.  Although this may seem relatively small when compared to other famous diamonds, in fact, the Moussaieff Red is the largest Fancy Red the GIA reports having value. The price can reach up to $ 7 million.