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Diamond Colour

Colour is another important aspect of distinguishing quality detectable by the human eye. 90% of diamonds have slight hues of yellow or brown. The colour is determined by comparing the gem to an internationally approved set of master stones in a gemmology lab. The intensity can vary from colourless to slight yellow or brown. The scale is alphabetically graded from D-Z. The average colour grade in the marketplace is I-K. Many consumers do not notice any colour in the diamond until the K-L-M range. The most desirable diamonds are in the colourless range.

The colour system originated 75 years ago when diamonds from Africa and Russia were usually tinted yellow. More recent mines are producing a large number of diamonds that exhibit a slight brown, grey, or salty hue. These are often referred to as top light brown (TLB). The colour system does not recognise TLB. While these diamonds can be less expensive for a jeweller to purchase, savings are not usually passed on to the consumer. We recommend that the consumer insist that the jeweller state on the receipt or appraisal if any brown, grey, or salty hues exists.

Many diamonds in the marketplace are commonly inflated by 1-3 colour grades to amplify a better perceived value or to make a quick sale. Ensure that you trust the jeweller’s certification.

Looking for a more colourful option? Why not consider a coloured diamond? Natural and enhanced coloured diamonds are available in a wide array of colours. From blue to yellow to pink we are pleased to have an array of these precious gems in stock.

Tinted Diamonds

Diamond Colour Table


Ask for the jeweller’s professional credentials. This vital information will indicate their expertise. Other professionals have their degrees available to view – expect it from your jeweller, or walk away!