Professional Development

INTRODUCTION TO DIAMOND GRADING WORKSHOP

DESCRIPTION

IMG - diamond grading workshop 636

The Diamond Grading Workshop introduces students to the procedures used to grade diamonds according to GIA's International Diamond Grading System. Using round brilliant cut diamonds on the D-to-Z color scale, students apply their knowledge by assigning color estimation, clarity and determining face-up appearance: brightness, scintillation and fire. Students also receive hands-on practice separating natural diamond from common simulants.

COURSE OUTLINE:

  • Overview of the 4Cs
  • Carat weight & size
  • Tools and equipment (Gemcloth, tweezers)
  • Use of microscope and loupe
  • Clarity grading & clarity lab
  • Observing inclusions and blemishes
  • Determining clarity grade
  • Plotting
  • Face-up appearance
  • Estimating color range for D-to-Z diamond
  • Fluorescence
  • Diamond simulants identification
  • Laboratory-grown diamond characteristics and identification

WHAT YOU EARN:

  • Letter of Attendance

INTRODUCTION TO DIAMOND GRADING WORKSHOP

hongkong

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