It is a totally colorless diamond that allows white light to pass effortlessly through it and be dispersed as rainbows of color. And to give a woman such a diamond is to show your true colors, as well. Color grading scale from totally colorless to light yellow. Clarity A rarity. To determine a diamond's clarity, it is viewed under 10-power magnification by a trained eye.
Most diamonds contain very tiny natural birthmarks known as inclusions.
However, the fewer and smaller the inclusions are, the less likely it is that they will interfere with the passage of light through the diamond, and the more beautiful the diamond will be. Diamonds, more than any other gemstone, have the capability to produce the maximum amount of brilliance. A diamond that is free of both inclusions and surface blemishes is very rare and therefore more valuable. So, the clearer the diamond, the clearer your choice. This is the weight of the diamond measured in carats.