Sparkling diamond provoking love, diamonds are forever, forever. These are all described diamond lovely, one side of the eternal. In fact, there are a lot of knowledge on the other side of the diamond believes that many consumers friend all don't know, the authors explain for everybody. For many, the diamond is a very magical thing, because he is the hardest substance in the world, because nothing can bring about diamonds, so people began its long exploration of diamonds. At first people must think diamond is so hard, estimate the composition of the diamond composition is also a very hard thing, certainly is not. Diamond is composed of C element a highly dense crystals, carbon is the most soft elements, then people won't think diamond is composed of carbon, but the facts before us, not we don't believe it. Diamond after cutting, can form many diamond shape, in addition to form different shapes of diamond, diamond when cutting there will be other phenomena, such as fire color and fluorescence, these phenomena have not said what is good or bad, just different attitudes towards this phenomenon. Eight heart, eight arrows has been considered to be the perfect cut forms, in fact is not the case, eight heart, eight arrows now people invented a device that any diamond cutters can see the phenomenon of eight heart, eight arrows, so the eight heart, eight arrow is not prominent diamond cut the only factor. South African diamond everybody heard, many vendors are touting South African diamond is one of the best diamond, in fact this is a very big mistake, South Africa is rich in diamonds, the South African diamond is not the best, the stand or fall of diamond and origin have nothing to do, only the level of the diamond.