Diamond
Combined with the wide transparency, this results in the clear, colorless appearance of most natural diamonds. Small amounts of defects or impurities (about ...

Everything You Always Wanted to Know About Diamond
8 Mar 2009 ... A tutorial about the history and characteristics of diamond. Includes facts about diamond mining.

ABOUT DIAMONDS
Diamonds have been a source of fascination for centuries. They are the hardest, the most imperishable, and the brilliant of all precious stones. ...