DIAMOND COLOR GRADING: UNDERSTANDING THE D-Z SCALE

Diamond Color Grading: Understanding the D-Z Scale

A diamond's tone profoundly impacts its overall appeal. 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 spectrum. The most esteemed grades, D through F, are prized for their transparency, appearing completely colorless. As you move down th

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