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COURSE DESCRIPTION:
This class is designed for the beginner or for someone with some experience that
wants a more in depth understanding of the way that professional laboratories
examine diamonds. The G.I.A. grading system is explained in detail. Students
examine many diamonds as the instructor points out the characteristics of each.
Students are introduced to the "tools of the trade" such as loupe, microscope,
Leveridge Gauge, master stones and U.V. lamp. Students work with this
instruments and real diamonds.
The 5 C's
Color, Clarity, Cut, Carat Weight, Cost
COLOR:
Color grading - Master stones - Rounds - Fancy shapes -
Ultra Violet Fluorescence - Fancy colors
CLARITY:
Clarity grading - Microscope - Loupe - Inclusions - Blemishes -
Plotting symbols
CUT:
Cut Grading - Brilliance - Analysis of proportions -
Analysis of symmetry External features - Rounds - Fancy shapes.
CARAT WEIGHT:
Measuring devices - Weight estimation formulas
COST:
Calculating values - Wholesale - Retail - Liquidation - Pricing guides |
