Faint yellow

  The diamonds color scale is used to evaluate a diamond's internal tint, as well as playing a significant role in determining its price, colorless diamonds being the most desirable of course. Diamonds Color is best evaluated in natural light, as high intensity artificial lighting can make the diamond appear to be of a better color grade than it actually is. Diamonds should also be examined for fluorescence, as blue photoluminescence will also make the diamond appear to be of a better color grade

     All about faint yellow diamonds. An easy buy diamonds guide