Description : If diamonds are valued by the 4 C's (cut, carat, clarity, color), what is the value of a diamond that is used in jewelry in an uncut state?
Last Answer : Before they are cut (and even after to be honest) the value is based on the amount of chemical impurities in the diamond. The more pure the diamond the higher the value. A type IIa (the ... ) accounts for less than 2% of all diamonds. They are also considerably harder than other types of diamond.