Clear and colourless is a diamonds natural beauty. When choosing the colour of your diamond, the first question is, will the ring (mounting) be yellow gold, white gold or platinum? If the mounting is white, you want to choose a colourless diamond i.e.: D, E ,F, or G colour.
If the mounting is yellow, you can choose a diamond with a slight tint of yellow, i.e.: H, I or J colour. A white ring will reflect near colourless light around the diamond, whereas a yellow ring will reflect tints of yellow around the diamond. As an example,. This simple fact will determine your investment in colour quality.