Colour is one of the four main characteristics of the 4 C’s of a diamond. It is important that a buyer does pay importance to the colour as it also determines the quality of a diamond. It is advisable that a buyer has some basic knowledge about the grading of colours of a diamond for a better understanding and be able to make the right choice.
A diamond which is chemical free and structurally perfect would be absolutely colourless with no hues. The colour grading scale of a diamond ranges from colourless to light yellow. There is a very delicate difference between a colour grade of a diamond to the other. Primarily the colour of the diamond gets affected by the impurities or structural imperfections formed naturally.
Bulk of diamonds that are mined, either have pale yellow or brown tinge which can be termed as normal colour range. Diamond which has highest grade of yellow and brown are called fancy colour diamonds. The diamonds which have absolutely no traces of impurities and are colourless have bright white appearance and are extremely expensive.
D-F: This is the highest colour grade and quite rare and is absolutely colourless.
G-J: It is near to colourless. This category of diamond may look colourless when mounted in white gold or platinum.
K-M: It has visible yellow or brownish tinge to it. This kind of diamond is not suggested especially for engagement rings and large sized stone.