Colleges and Universities Offering Rough Diamond Evaluation and Grading Course in South Africa

Institutions Offering Rough Diamond Evaluation and Grading Course

•  Diamond Education College, Boulevard  
  Duration: 2 weeks
  
  Tuition fees: R 12,000
  
  Course Outline:
  -The correct use of a loupe.
  -The different varieties of diamond crystals and polycrystalline aggregates in diamonds using real diamonds as well as wooden and plastic models.
  -The identification of imitation (fake) diamonds.
  -Structural defects and the internal structure of diamond crystals including marks, inclusions, naart, maccles and stress.
  -Optical, mechanical, electrical, thermal and chemical properties of diamond crystals.
  -The study of impurity centres in rough diamond crystals, their cause and effect.
  -How to select diamonds for fancy shapes, determining their ultimate form whilst in the rough stage.
  -How to determine colour in diamonds, both natural and artificial, and its effect on buying and selling.
  -How to select and sort rough diamonds for purity, colour, size, shape and any unusual qualities.
  -How to determine whether a whole rough diamond is to be cleaved, sawed or retained as is.
  -Classification of rough gems and industrial diamonds.
  -Use of a polariscope when analyzing stress and strain within the internal molecular structure of rough diamonds.
  -Sketching of rough diamonds pinpointing impurities within the diamond.
  -Use of a Moe gauge to estimate weight recovery as well as estimating weight recovery percentages.
  -Pricing of rough diamonds using the Rapaport Polished Diamond Price List and the ADTEC Rough Diamond Guideline Price List.
  -Use of OGI planning scanner & computer.

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