Fancy Light Yellow diamonds, for example, will price out similar to a J color white diamond. Take these two stones as examples: 1) 1.21 Carats, Fancy Light Yellow, VS2 Clarity, Radiant Cut, GIA Certified â $4460. 2) 1.21 Carats, I Color, VS1 Clarity, Radiant Cut, GIA Certified â $4300.