International Diamond Grading System Valuation Course

Session 1

Session 2

Proportion (Full Diamond Measurements

  • Table Size Measurement
  • Crown Angle
  • Crown Height
  • Girdle Thickness
  • Pavilion Depth
  • Pavilion Angle
  • Total Depth

Polish Defect Diamond Finishing Symmetry Defect

  • Facet Symmetry
  • Proportion Symmetry
  • Grading System of Cut, Polish, Symmetry
  • Heart & Arrow
  • Fluorescence Identication

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