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This course enables you to obtain in-depth knowledge on the classification of all the different varieties of gemstones. You will learn to identify treated and…

How do I know that a “stone” is a real diamond and not a fake? Why are diamonds considered so special and precious? What does…

For more information & bank details please contact: Ms Marie-Belle Keyrouz or Alexi Saad email: jewelorg@dm.net.lb WhatsApp: +961 3 357 327 Tel: +961 01 612 068 / 9…

This pre-recorded course is designed to introduce you to the fascinating world of gems. Learn more about rubies, sapphires and emeralds.

The “Biogenic Gemstones and Their Classification” course offers an in-depth exploration of organic-origin gem materials, focusing on their formation, characteristics, identification, and commercial evaluation. Participants…

The “Pearls and Pearl Grading” course provides a comprehensive theoretical and practical foundation in the fascinating world of natural and cultured pearls. Through lectures, hands-on…

Learn to identify the characteristics of rough diamonds and learn how to sort a pile of rough diamonds into different categories, according to various criteria…

Learn to identify the characteristics of rough diamonds and learn how to sort a pile of rough diamonds into different categories, according to various criteria…

You followed a gemmology course some time ago? Never heard about golden sheen sapphire or about the new generation of cobalt-treated sapphire? This practice week…

Gemmology is the study of the properties of gemstones. Students who explore gemmology enter a fascinating world where beauty meets science—an exciting journey of observation…

The HRD Antwerp ‘Certified Diamond Grader Diploma – Online Theory Module’ is a combination of two modules: online theory (two weeks) and on campus Diamond…

Flexible Learning: Pre-recorded Video Lessons: Access high-quality video lectures led by industry experts, available 24/7. Receive support from our instructors throughout the course Duration &…