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This gemology course provides students with a broad and thorough understanding in sorting and evaluating diamonds. Students receive extensive theoretical and practical knowledge, allowing them to sort and evaluate diamonds accurately, quickly and professionally.

Sorting is done according to four criteria generally accepted in the international diamond, established by the Gemological Institute of America - GIA, and are known as The 4 C's - Carat, Clarity, Color and Cut.

The course take place in a new and spacious classroom, equipped with the most advanced and innovative equipment. 

This equipment includes: gemological microscopes, day light fluorescent lamps, fluorescent devices, computers, micrometers, equipment for identifying different diamond treatments, diamond substitutes, and more besides.

Content of Course

  1.  Diamonds - Introduction and General Background
  2.  Rough diamond elements
  3.  Diamond Weight
  4.  Diamond Clarity
  5.  Diamond Color 
  6.  Diamonds Cut
  7.  Fluorescence
  8.  How to read and analyse gemological certificates to perfection
  9.  The methods of diagnosis of internal and external defects in diamonds.
  10.  Special colors - natural + staining process of synthetic diamonds (lab grown diamonds)
  11.  Treatments, HPHT, CVD.
  12.  Knowing diamond substitutes.
  13.  Diamond trade practices
  14.  Final test

Target Group

Diamond traders Diamond experts, appraisers, graders Jewellers, designers Sales managers, owners, buyers and job seekers in the diamond sector Diamond and jewellery-lovers

Terms of receiving certificate

Knowledge of extended and theoretically also professional and practical experience in testing diamonds focusing on various types of treatments stones and fancy color diamonds . Especially suitable for diamond merchants begin , gemologists who want to work in the lab and brokers.

Course Hours

Twice a week from 9:00 to 14:00 for a month and a half or Once a week from 15:00 to 19:00 for 3 months.

Registration for the course is subject to the regulations
Language Location Price Coruse ID Note
Hebrew Ramat Gan 7,500.00 ₪ GDG00002 Morning gemology course Register
Hebrew Ramat Gan 7,500.00 ₪ GDG00001 Morning gemology course Register