Trendy Diamond Rings :
De Beers Centenary Diamond: $100 Million The De Beers Centenary Diamond were classified as D levels by the Gemological Institute of America. It’s the highest grade of a diamond that colorless and internally and externally flawless. The diamond itself is 273.85 carats (54.77 grams) in weight. This diamond is the 3rd largest diamond has been produced by De Beer’s Premier Mine.
