Certified Diamond Grader
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 VVS1, F or LC actually mean? Why is there such a price difference possible between two diamonds of the same size?
Our highly skilled and experienced lecturers will guide you through the fascinating world of diamonds. You will study the 4C’s: Carat, Colour, Clarity and Cut, determining the quality of a stone and as such the price. You will learn how to detect the most common simulants, and you will be able to work with the best microscope in the world and other gemmological equipment. At the same time, you will develop impeccable grading skills.
Our courses are a perfect balance between theoretical knowledge and practical skills.
Duration
Requirements
Min. age: 18 years.
No previous diamond experience is required.
Number of attendants
Target Group
This course is meant for:
Diamond traders, diamond experts, appraisers and graders, jewellers and designers, diamond and jewellery lovers, sales managers, buyers and job seekers.
Course Content
- Introduction to the properties of diamonds.
- Explanation of the 4C’s: Carat, Colour, Clarity and Cut.
- Correct cleaning of diamonds.
- Diamond optics. Use of HRD Antwerp stereozoom microscope (D- Scope).
- Systematic examination of a diamond. Favourable and unfavourable angles of observation.
- Principles of weighing, calculation of the carat weight.
- Identification of external and internal characteristics. Plotting and exercises.
- Colour determination of diamonds by comparison with master stones.
- Grading of colour and fluorescence.
- Clarity grading using the HRD Antwerp D-scope and loupe 10x with master stones for reference.
- Cut grading. Determination of proportions, symmetry and polish. Measuring dimensions using a caliper (micrometer).
- Use of tables for proportions and symmetry.
- Examination and grading of fancy cuts.
- Characteristics and properties of diamonds versus imitations (simulants). Including simple tests to distinguish natural diamonds from imitations.
- Identification of clarity treatments like crack filling.
- Introduction to lab. grown diamonds and colour treatments.
- Final examinations.
Examination
Theoretical examination CDG: Multiple choice exam with 40 questions.
Diploma
| Date(s) | Location | Language | Price Excl. | Price Incl. | Course Code | |
|---|---|---|---|---|---|---|
| 07/10/2023 - 19/10/2023 | Cairo | English | € 2.950,00 | € 3.569,50 | CDGE6552303 |
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| 06/11/2023 - 24/11/2023 | Antwerp | English | € 2.950,00 | € 3.569,50 | CDGE112305 |
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| 06/11/2023 - 18/11/2023 | Manila | English | € 2.950,00 | € 3.569,50 | CDGE2562302 |
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| 06/11/2023 - 18/11/2023 | Napoli / Marcianise | Italian | € 2.950,00 | € 3.569,50 | CDGI132301 |
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| 25/09/2023 - 07/10/2023 | Madrid | Spanish | € 2.950,00 | € 3.569,50 | CDGS1182301 |
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Diamond Grading Practice Week
During this 5-day course, you can refresh your knowledge and skills you've acquired during the Certified Diamond Grader course.
With a large number of polished diamonds (brilliant as well as fancy shapes) to grade, you can update your diamond knowledge and skills. Personal feedback from our expert staff will help you to become a much more experienced diamond professional.
Duration
Requirements
Min. age: 18 years.
Diploma: HRD Antwerp Certified Diamond Grader.
Number of attendants
Target Group
This course is meant for:
Diamond traders, diamond experts, appraisers and graders, jewellers and designers, diamond and jewellery lovers, sales managers, buyers and job seekers.
Course Content
- Grading of a large number of polished diamonds (round brilliant and fancy shapes) according to the 4C’s (Carat, Colour, Clarity and Cut) using an HRD Antwerp D-scope, a loupe 10x and all relevant instruments.
- Identification of imitations and treated diamonds.
- Personal coaching and continuous feedback on your results will help to improve your grading and upgrade your knowledge.
Diploma
Sorting of Polished Diamonds | Small Goods
This course will give you the grading/sorting skills you need to become a diamond sorter or buyer. In this course you will deal with diamond parcels. This very intensive practical training meets the needs of the market.
Studying in Antwerp, the diamond capital of the world, offers you this unique opportunity of working with diamond parcels provided by the most important and largest diamond companies in the industry.
Several practical tests will evaluate your diamond knowledge.
Duration
Requirements
Min. age: 18 years.
Diploma: HRD Antwerp Certified Diamond Grader (or equal).
Proven and sufficient professional experience can be accepted too. In this case, a brief test with a loupe 10x will apply at the beginning of the course, testing knowledge of the properties of a diamond and its 4C’s, manipulation technique of loupe and tweezers (correct use), colour determination in theory and practice and evaluation of clarity and cut.
Number of attendants
Target Group
This course is meant for:
Diamond sorters and buyers and diamond traders, experts, appraisers and graders.
Course Content
Sorting parcels of round brilliants and fancy cut diamonds according to the 4C’s using loupe 10x, table loupe and sortoscope.
Diploma
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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.
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.
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.