The Moussaieff Red Diamond : $7 Million.
The Moussaieff Red Diamond is 5.11 carats (1.022 g) diamond with a triangular brilliant cut that is rated as Fancy Red in colour by the Gemological Institute of America (GIA). Although Moussaieff is relatively small compared to other expensive diamonds, this is the largest fancy red ever rated by GIA.
The Heart of Eternity : $16 Million.
The Heart of Eternity is a 27.64 carats (5.528 g) diamond with a color rated as Fancy Vivid Blue by the Gemological Institute of America. This diamond is a very rare class of colored diamond. It was cut by the Steinmetz group before it sold to De Beers Group. The diamond itself was found in a premier diamond mine in South Africa.
Wittelsbach Diamond : $16.4 Million.
The Wittelsbach diamond (Der Blaue Wittelsbacher) is a 35.36 carat (7.11 g) blue diamond with a size of 40 mm in diameter with 8.29 mm in depth and VS 2 in clarity. It has become part of both Austrian and Bavarian crown jewels, with color and clarity that has been compared to the Hope Diamond.
The Steinmetz Pink : $25 Million.
The Steinmetz Pink is a 59.60 carat (11.92 g) diamond that is rated as Vivid Pink by the Gemological Institute of America.
De Beers Centenary Diamond: $100 Million.
The De Beers Centenary Diamond was classified as D level by the Gemological Institute of America. It’s the highest grade of a diamond that is colorless flawless. The diamond itself is 273.85 carats (54.77 grams) in weight. This diamond is the 3rd largest diamond that has been produced by De Beer’s Premier Mine.
The Hope Diamond: $350 Million.
The Hope Diamond is a 45.52 carat (9.10 gram) large diamond that is now located in the Smithsonian Museum of Natural History in Washington DC. The diamond looks blue in color to the naked eye because the number of traces of boron in the crystal structure but it shines red under ultraviolet light.