Colour Grade

Diamonds are valued by how closely they are to colourless – the less colour, the higher the value (with the exception of fancy colours ie pink, blue). Most diamonds found in chain jewellery stores contain a slight to significant tint of yellow or brown. Diamonds sold in higher class stores usually range from colourless, to near colourless.

The scale begins with the letter D, representing colourless, and continues with increasing presence of colour to the letter Z. Diamonds are colour-graded by comparing them to stones of known colour under controlled lighting and precise viewing conditions.

Many of these colour distinctions are so subtle that they are invisible to the untrained eye. But these slight differences make a very big difference in diamond quality and price.

Global Diamond’s Tip

We recommend purchasing a diamond between the grades of D (colourless) to G (Near colourless). Any diamond graded either “I” or above starts to have prominent signs of yellow coming from the diamond. These yellowing diamonds should be far cheaper than a diamond with a better colour grade, but they don’t have the same beautiful look.  Sacrifice a bit of size for a better colour grade.

Also note that you cant spend too much money on getting the perfect colour. D coloured diamonds are truly amazing. However if you cant quite afford a D coloured diamond but still want an amazing look, we tend to recommend F colour diamonds for the slightly more price conscious, who still want an amazing look.

Category: Diamond Education
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