Learn Diamond Grading

Learn to grade diamonds using a gem microscope and jeweler’s loupe. Master GIA’s Diamond Grading System, discover timesaving shortcuts  a  diamond guide using our chart.

Gain the skills to grade the color, clarity, and cut of diamonds. Using authoritative texts and magnified photos, learn to determine proportions and estimate weight. Study diamond treatments, synthetics, and simulants, and understand the effect of fluorescence on diamond body color.

 

Every diamond certified by the GIA undergoes a thorough, independent evaluation. Here you will learn how GIA diamond grades are established.

We offer courses in diamond grading, gemmology of coloured stones, sorting of rough diamonds.

Learn to grade diamonds using a gem microscope and jeweler’s loupe. Master GIA’s Diamond Grading System, discover timesaving shortcuts  a  diamond guide using our chart.