Degree to which a diamond transmits light, directly relevant to the cloudiness or haziness of the actual diamond material, and the quality of the crystal. Click here to learn more about transparency and the DCLA Transparency Grading System.


Degree or depth of colour in terms of lightness or darkness. The tone of a coloured diamond can range from very pale to very dark; it is the degree to which the colour of a diamond approaches white on the pale end, and black on the dark end.

Synthetic Diamond

Man-made versions of the diamonds found in the earth. Synthetic diamonds have the same chemical structure and properties as natural diamonds, but are created in a laboratory in only a few days, instead of in the earth over billions of years – they sell at a much lower price. Click here to learn more about synthetic diamonds.