DIAMOND COLOR GRADING: UNDERSTANDING THE D-Z SCALE

A diamond's hue profoundly impacts its overall value. The Gemological Institute of America (GIA) established a standardized chart, ranging from highly colorless "D" to the warm yellow hues of "Z," to measure this variation. The top grades, D through F, are prized for their brilliance, appearing absolutely colorless. As you move down the scale, diam