DIAMOND COLOR GRADING: UNDERSTANDING THE D-Z SCALE

A diamond's hue profoundly impacts its overall luster. The Gemological Institute of America (GIA) established a standardized grading system, ranging from highly colorless "D" to the warm yellow hues of "Z," to quantify this variation. The higher grades, D through F, are prized for their transparency, appearing utterly colorless. As you move down th