A diamond gem can be found in rivers
or even by digging deeply into the ground. They can have different forms.
They can be classified into the following subcategories
"sawable stones" : these are the most demanded ; they look like two upside down pyramids put together. When you come across such a stone in the middle of the African bush, you are facing something that goes beyond any flawlessness or brightness that you could imagine. You can feel eternity. Once cut, this stone will result in two round shaped diamonds. The more equal the proportions of the rough diamond are, the more brilliant the cut stones will be.
" spotted stones " : these are also well shaped mono-crystals. They are not flawless as they have either black or white inclusions, which, after careful analysis, can be removed during the cut process.
" makeable stones " : these are octahedral or dodecahedral diamonds with irregular shapes. They are cut immediately. There is no need to cleave them.
" coated stones " : these
diamonds are subjected to a certain speculation for
being covered with a kind of coat that must be removed
when cleaving. In the Central African Republic and in
Zaire, this kind of stone is very common.
The color of a diamond is one of the signs of
its rarity and justifies the price of the stone.
It can vary from snow white to yellow, but, blue,
pink and red diamonds can also be found. They are very
rare and, once cut, their price per carat can reach $1,000,000.(this is not a typing mistake)
 The incredible quality of diamonds from Guinea
 Diamond in the Central African Republique
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The diamond gem 
