The clearer a diamond is, the fewer the flaws and therefore, the more expensive it is. Colorless are the rarest and therefore most expensive type of white diamond. The single most influential factor on a diamond's cost is its carat weight. Large carat sizes are rare, which makes them more expensive than smaller ones. The cut of a diamond influences its cost. Cut does not refer to shape but rather its ability to reflect light back to the viewer.
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diamonds are naturally formed so no type is pure they differ because of the impurities involved in it's formation it's colour it's flaws etc so you have to find the best and they are eagerly sought there are actually man made diamonds that are perfect but of course there is nothing like the ones nature gives us and the price reflects that so you need an experts eye and an honest one at that
The real kind
