A diamond’s value is determined by the 4 Cs: carat, cut, clarity and colour. For colourless diamonds (as opposed to coloured diamonds), the diamond industry has adopted an alphabetical scale from D to Z, with D being the highest grading. As you go down the scale, the diamond starts to develop a yellow tint.
Diamond experts determine the colour by comparing a diamond against a master set of diamonds of different colours. Therefore, without comparing diamonds side by side, it is difficult to see the difference between grades. However, it plays a vital role in determining the price of the jewel.
In this guide, we will cover the following topics to give you a better understanding of the role colour plays in the value of a diamond: