Gemmology Courses

POLISH YOUR KNOWLEDGE, BUILD YOUR SKILLS

During these courses you’ll investigate the properties of gemstones, using specialized tools and you'll learn how to distinguish synthetic from natural gemstones (ruby, sapphire, emerald and more).

Gemmology Basic

2-4 weeks, depending on date and location.
Depends on date and location.
English , French , Turkish , Italian , Arab , Spanish , Polish
Global

Discover our Gemmology course in association with Geoffrey Dominy, author of the “Handbook of Gemmology”. A well respected gemmologist with an aptitude for providing detailed and clear information. The photos of the well- illustrated book are from Tino Hammid, an internationally renowned photographer. 


The study of gemmology investigates all the properties of precious stones. Students who delve into gemmology, find themselves in an exciting new world of observation and investigation of beauty and science. We train students to identify gemstones using specialized tools and instruments and will study different types of inclusions with the aid of a gemmological microscope. You will learn how to distinguish synthetic from natural gemstones (ruby, sapphire and emerald and other important varieties). 

Gemmology Basic

Duration

2-4 weeks, depending on date and location.

Requirements

Min. age: 18 years.

Number of attendants

Depends on date and location.

Target Group

This course is meant for:

Gemmologists to be.

Course Content

First week: Gem identification basics

  • Optics and gemstones.
  • Physical properties of gemstones.
  • Crystallography.
  • Gemmological instruments.
  • Identification techniques.

Second week: Systematic classification of the most important gemstones

  • Mineralogy of gemstones.
  • Systematic classification of minerals.
  • Systematic classification of gemstones: ruby and sapphire (corundum)-emerald and other beryl -alexandrite and other chrysoberyl- spinel group – garnet group – quartz group (e.g. citrine, amethyst) - topaz – tourmaline – zircon – peridot.
  • Study of inclusions using a gemological microscope.
  • Classification of inclusions.

Third week: Distinction between natural and synthetic ruby, sapphire and emerald

  • Lab. grown gems like Verneuil and identification.
  • Artificial glass and assembled gems.
  • Final exams.

Examination

Practical examination Gemmology: Students have to examine 20 gemstones correctly.
Theoretical examination Gemmology: Examination with open questions.

Diploma

Certificate: HRD Antwerp Gemstone Identification
Date(s) Location Language Price Excl. Price Incl. Course Code
16/09/2019 - 04/10/2019 Antwerp English € 2.650,00 € 3.206,50 GBE111902 More Info Register
28/10/2019 - 15/11/2019 Antwerp French € 2.297,00 € 2.779,37 GBF111902* More Info Register

Gemmology Advanced

2-4 weeks, depending on date and location.
Depends on date and location.
English , French , Italian , Spanish
Global

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 synthetic gems and you will practice with a lot of actual gems to develop your identification skills.


You will be able to examine optical and physical properties of rare and uncommon gem varieties. Our lecturers will initiate you in a detailed analysis of natural gems, focusing on the origin of rubies, sapphires and emeralds. 


If you pass the theoretical and practical test you will be the proud owner of an HRD Antwerp Gemmologist diploma. (You can proudly call yourself an HRD Antwerp

Gemmologist).

Gemmology Advanced

Duration

2-4 weeks, depending on date and location.

Requirements

Min. age: 18 years.

Certificate: HRD Antwerp Gemstone Identification.

Number of attendants

Depends on date and location.

Target Group

This course is meant for:

Gemmologists to be.

Course Content

First week: Systematic classification of common, rare and opaque gemstones

  • Systematic description of spodumene- jade – opal –feldspar – quartz group- tanzanite – lapis lazuli – malachite – rodochrosite – kornerupine - sphene, ...

Second week: Natural versus synthetic gemstones 

  • Review of synthesis-methods.
  • Identification of the studied gemstones (natural or synthetic). 

 Third week: Treated gemstones and practical sessions

  • Heat treatment.
  • Fracture filling.
  • Diffusion.
  • Coating.
  • Irradiation.
  • Dyeing.
  • Bleaching, ...
  • Practice: identifying all gemstones and the determination of their natural or synthetic character.
  • Final examinations.

Examination

Practical examination Gemmology: Students have to examine 20 gemstones correctly.
Theoretical examination Gemmology: Examination with open questions.

Diploma

Diploma: HRD Antwerp Gemmologist
Date(s) Location Language Price Excl. Price Incl. Course Code
07/10/2019 - 25/10/2019 Antwerp English € 2.500,00 € 3.025,00 GAE111902 More Info Register
18/11/2019 - 06/12/2019 Antwerp French € 2.500,00 € 3.025,00 GAF111901 More Info Register

Organic and Opaque Gems

5 days
Depends on date and location.
English , French
Global

This 5-day course on organic and opaque gems is taught by Chloe Sarasola, expert gemmologist and diamond grader. She’s founder of Nasoha, where she shares her passion for gemstones, diamonds, minerals and natural products.

In this course, which is a perfect extension of the HRD Antwerp Gemmology course trajectory, you will learn about the history of organic and opaque gems and worldwide important and well-known gems.

How to identify organic and opaque gems and how to detect natural gems from imitations and synthetics, through theory and practice, is the main focus of this course. There will be some time dedicated especially to coral and amber. After a short test to conclude the course, you will have earned the “Organic and Opaque Gems” participation attest.  

Organic and Opaque Gems

Duration

5 days

Requirements

Min. age: 18 years.
Diploma: HRD Antwerp Gemmologist (or equal).

Number of attendants

Depends on date and location.

Target Group

This course is meant for:

Gemmology alumni who want to expand their knowledge on organic and opaque gems.

Course Content

  • Problem of identifying opaque gems.
  • History and important pieces.
  • Overview of opaque stones, characteristics and how to identify + their imitations and treatments.
  • Problem of identifying organic gems.
  • History and important pieces.
  • Ivory and bones: overview, characteristics and how to identify + their imitations and treatments.
  • Coral and amber:  overview, characteristics and how to identify + imitations and treatments.

Examination

Theoretical test: Theoretical test at the end of the course.

Diploma

Participation attest: Organic and Opaque Gems
Date(s) Location Language Price Excl. Price Incl. Course Code
09/12/2019 - 13/12/2019 Antwerp French € 900,00 € 1.089,00 OOGF111901 More Info Register

OTHER HRD ANTWERP COURSES

Polished Diamond Courses

Learn how to grade diamonds in one of the diamond capitals of the world. Our highly experienced lecturers will guide you through the fascinating world of diamonds. You will study the 4C’s: Carat, Colour, Clarity and Cut.

Rough Diamond Courses

These courses learn you how to sort a pile of rough diamonds into different categories according to various criteria such as size, colour, clarity and morphology. These courses focus on practice with a sound theoretical background. The new and extra module about Rough Diamond Management is the practical extension of the Introduction course.

Pearl Course

During this course, our students learn how pearls are formed, which types of pearls we distinguish, how the quality of pearls is defined and how we set their value. In addition, you will also learn how to set pearls in jewellery.

Diamond Jewellery Sales Course

This course will provide you with the tips and tools you need to hone your B2C skills and boost your business.

Diamond Jewellery Design Courses

These courses will teach you how to translate creative ideas into contemporary jewellery designs using different illustration techniques. You’ll also learn about the use of diamonds in jewellery and the different methods of diamond setting.

Diamond Polishing Course

Antwerp has the best diamond polishers in the world, so what better place to learn how to master the craft than in Antwerp? During this extended course you will learn how to polish diamonds like a professional. picture © Donald Woodrow

Workshops

Would you like to know more about fancy coloured diamonds, diamond treatments or laboratory-grown diamonds and diamond spectroscopy? HRD Antwerp offers workshops designed to introduce you into the fascinating world of extraordinary diamonds and focus on ruby, sapphire and emerald.

Jewellery Entrepreneur

If you are looking to start your own jewellery business or increase your existing business, this course is the key to your success. Our highly skilled and experienced lecturers will guide you through the fascinating world of the gemstone and jewellery industry.