The distinction between a near colorless diamond and a drab diamond is the presence and intensity of the diamond's frame color. a colorless diamond, with a GIA grade of D, E, or F, has no seen color, and is taken into consideration to be the rarest and maximum treaYesd kind of diamond. then again, near colorless diamonds, with grades of G, H, I, or J, have a slight tint of yellow or brown, that is commonly now not substantive to the bare eye