Diamond Color describes the amount of color the diamond contains. This can range from colorless to yellow with slight tints of yellow, gray or brown. Diamond colors can also range from intense yellow to brown, blue, green, pink and red. These fancy diamond colors are rare and therefore more valuable.

Be aware!  It is possible to influence the color by irradiation treatment followed by heat treatment. This method is not recommended for two reasons. The first is the risk involved with exposure to irradiated objects. The second is the risk of color change over time. All color treated diamonds must be disclosed as such prior to sale. certified loose diamonds. does not deal in diamonds that have been enhanced in any way. The color of the stone can be determined by using a GIA (Gemological Institute of America) Certified set of master stones and/or the Colorimeter, a computer which accurately grades the color of a polished diamond.