DIAMOND COLOR GRADING: UNDERSTANDING THE D-Z SCALE

Diamond Color Grading: Understanding the D-Z Scale

A diamond's shade profoundly impacts its overall value. The Gemological Institute of America (GIA) established a standardized scale, ranging from highly colorless "D" to the warm yellow hues of "Z," to quantify this range. The most esteemed grades, D through F, are prized for their transparency, appearing utterly colorless. As you move down the sca

read more