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.

Appraisal of Rough Diamonds

2 weeks
Depends on date and location.
English , French , Arabic , Portuguese

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 such

as size, colour, clarity and shape. Sawables and makeables will have no secrets anymore.

Additionally, you will be taught how to maximize the yield of a polished diamond starting from the rough and how computerized scanning devices can help you make

the best decision. A third important topic is the price calculation of single stones and of parcels.

At the end of the course there is a practical test to pass as a last door to open to a career in the rough diamond industry.

Appraisal of Rough Diamonds


2 weeks


Min. age: 18 years.
No previous diamond experience is required.

Number of attendants

Depends on date and location.

Target Group

This course is meant for:

Rough diamond sorters, diamond manufacturers, traders and appraisers and jewellers.

Course Content

  • How to handle rough diamonds (weighing, counting, sieving, listing, store….).
  • Exercise on quality – size – shape/models – colour –cleaving, sawing and polishing possibilities.
  • Diamond morphology.
  • Diamond geology and mining.
  • How to maximize the value of rough diamonds.
  • Rough-to-polished conversion processes, using different techniques with pro’s and con’s based on quality and size of rough diamonds.
  • Rough diamond planning : theory and practice.
  • Understand variables when using price lists.
  • Visit of a diamond polishing factory.
  • Final examinations.


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


Certificate: HRD Antwerp Appraisal of Rough Diamond
Date(s) Location Language Price Excl. Price Incl. Course Code
28/08/2024 - 09/09/2024 Beirut Arabic € 2.400,00 € 2.520,00 ARDA2222402 More Info Register
25/11/2024 - 06/12/2024 Antwerp English € 2.400,00 € 2.904,00 ARDE112404 More Info Register
09/12/2024 - 20/12/2024 Dubai English € 2.400,00 € 2.520,00 ARDE2412401 More Info Register
23/09/2024 - 04/10/2024 Antwerp French € 2.400,00 € 2.904,00 ARDF112402 More Info Register


Online Live Courses

With the perfect balance between theoretical knowledge and practical sessions, you can now earn your HRD Antwerp Diploma or Certificate.

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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.

Gemmology Courses

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).

Custom-Made Courses

HRD Antwerp's Custom-Made courses are available on request. Course subjects include diamonds, gemstones, jewellery design and retail sales.

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.


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.