'A Gemological Institute of America scale for these runs from D, colorless, to Z, light yellow'
diamonds
RATING SCALES: A Gemological Institute of America scale for these runs from D, colorless, to Z, light yellow
A Gemological Institute of America scale for these runs from D, colorless, to Z, light yellow
A Gemological Institute of America scale for these runs from D, colorless, to Z, light yellow
RATING SCALES
diamonds
RATING SCALES