Look past Z color scale in GIA’s color grading, and you would have a diamond with Fancy Vivid Yellow color. In other words, natural yellow diamonds are saturated with the said color, which have no traces of whiteness. Assessing yellow diamonds’ color is not an easy task. Each color graded diamond falls under a scale that ranges from Faint to Fancy Dark. For instance, it is possible to find Fancy Yellow diamond that just made it over Fancy Light color scale. Besides, it is possible to find the gemstone that missed the cutoff into Fancy Intense color grade. That is why it is recommended to buy loose diamonds from vendors that provide the best possible diamond image quality. This will make it easier for you to decide which Fancy Yellow diamond is more valuable, and which one is more beautiful. It will also help if you are planning to custom make your ring with the loose diamond. Canary Yellow diamonds are comparatively common to other Fancy colored sparklers. However, owing to the commonness of Fancy Yellow diamonds, they can be affordable. They will price similar to I color graded white diamonds with comparable carat weight and clarity grade. Regardless, if you want a radiant fancy yellow diamond engagement ring, then make sure the center stone is encircled by a white diamond halo and is mounted on a platinum band.