<Table> <Tr> <Td> </Td> <Td> This section needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (December 2016) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This section needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (December 2016) (Learn how and when to remove this template message) </Td> </Tr> <P> The majority of diamonds that are mined are in a range of pale yellow or brown color that is termed the normal color range . Diamonds that are of intense yellow or brown, or any other color are called fancy color diamonds . Diamonds that are of the very highest purity are totally colorless, and appear a bright white . The degree to which diamonds exhibit body color is one of the four value factors by which diamonds are assessed . Diamonds have a color grading system that refers to the absence of color . This system goes from D to Z . The more colorless a diamond is, the rarer and more valuable it is because it appears white and brighter to the eye . </P> <P> Color grading of diamonds was performed as a step of sorting rough diamonds for sale by the London Diamond Syndicate . </P>

Which color is among the most common for diamonds