For two weeks, the London Olympics offered us good time.   Not to mention the excitement of each game, but also the interviews of the at...

When human first found a diamond, it was hard, strong, and unbreakable object.   Therefore, people used it as a charm and put on a sword...

Why do diamonds exist on the earth?   Every object on the earth has each meaning of existence. Diamonds coexist with human race, and sti...

A first few days of August is over, and the nature has brought us a special present at night in return for this heat.   The full moon ha...

The diamonds are one of the hardest materials on the earth, and they cannot be cut against cross grain.   Moreover, they have knots in v...