The colour of a diamond ranges from colourless to light yellow/ brown, this is measured on an alphabetical scale ranging from D-(colourless) to Z (light yellow/Brown). With actual stones, the colour difference would appear like this:

diamond-spectrum names


This is evaluated by using a master set of grading stones.

diamond-colour-D diamond-colour-E diamond-colour-F diamond-colour-G diamond-colour-H diamond-colour-I diamond-colour-J diamond-colour-K diamond-colour-L diamond-colour-M diamond-colour-N-0 diamond-colour-P-R diamond-colour-S-Z