Essential Colored Gemstones Knowledge 5-Days Basic Course

Prof. Eva Kountouraki

This short course introduces the students to the world of colored gemstones. The main goal is to provide the students with the fundamental knowledge about gems, their value factors, characteristics and market.

Through these lectures the students will understand the relation of gemstone value with their most important feature, color, as well as with clarity, cut and weight. The physical and optical properties of gems and their importance to the use of gems are also explained.

This course provides basic knowledge of gem treatements and synthetics and places special focus on the “Big Three” of the gemstone world: ruby, sapphire, and emerald. The students obtain a better understanding of the gem market and its factors that affect gem value. 

At the end of the course students must pass a written exam to complete the class successfully.

The course fee corresponds to 240.000 OMR.
An advance payment of 70.000 OMR is required in order to confirm the registration.

The course will take place from 9th to 13th February at GIG headquarters

How you learn with GIG

Daily activities are developed through lectures and laboratory sessions. A limited number of students per class is accepted, so that the hands-on training and personal coaching can be more successful.

What you use

The students will receive a manual to accompany this class and use as a reference to study. In the classroom the students will learn how to use a gemological microscope, loupe, tweezers, gemcloth, and many more tools of the trade, while working with colored gemstones carefully selected by GIG.

Class hours

The course includes 20 hours of theoretical and practical lessons, divided into 5 days from 09:00 am to 01:00 pm, with short  breaks.

Fill the following form to sign up for the course

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