Certified Diamond Grader COURSE
Milano / Italy

CDGI1162501

€ 2.950,00 (Excl.)


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Dates:
03/02/2025 - 15/02/2025

Location:
Via dei Valtorta 48, Milano Italy
Milano / Italy
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Course Hours:
Monday to Saturday from 8:45 am to 4:45 pm.
Coffee breaks and lunch break.
Duration: 12 days

Capacity: 16 Students

Deposit:
In order to guarantee your place in the course, we ask you to pay a deposit of 1475€ within 15 days after registration. The remaining amount must be paid before the course starts in order to keep your place in the course.
Notes:

For more information, please contact sabigem@yahoo.it

or education@hrdantwerp.com



Important Final price may vary according to local tax laws
Requirements

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


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
Practical examination CDG: Students have to examine and grade 8 diamonds correctly and identify a 9th stone as an imitation.
Theoretical examination CDG: Multiple choice exam with 40 questions.

Diploma
Diploma: HRD Antwerp Certified Diamond Grader

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Certified Diamond Grader


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.

Certified Diamond Grader

2-4 weeks, depending on date and location.
Depends on date and location.
English , Dutch , French , Turkish , Hindi , Italian , Arabic , Spanish , Polish , Greek
Global

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.

Certified Diamond Grader

Duration

2-4 weeks, depending on date and location.

Requirements

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:

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

Practical examination CDG: Students have to examine and grade 8 diamonds correctly and identify a 9th stone as an imitation.
Theoretical examination CDG: Multiple choice exam with 40 questions.

Diploma

Diploma: HRD Antwerp Certified Diamond Grader
Date(s) Location Language Price Excl. Price Incl. Course Code
03/02/2025 - 15/02/2025 Dubai Arabic € 2.950,00 € 3.097,50 CDGA2412501 More Info Register
02/06/2025 - 20/06/2025 Antwerp Dutch € 2.950,00 € 3.569,50 CDGD112501 More Info Register
20/01/2025 - 07/02/2025 Antwerp English € 2.950,00 € 3.569,50 CDGE112501 More Info Register
23/06/2025 - 05/07/2025 Dubai English € 2.950,00 € 3.097,50 CDGE2412501 More Info Register
08/09/2025 - 26/09/2025 Antwerp English € 2.950,00 € 3.569,50 CDGE112502 More Info Register
15/09/2025 - 27/09/2025 Dubai English € 2.950,00 € 3.097,50 CDGE2412502 More Info Register
03/03/2025 - 21/03/2025 Antwerp French € 2.950,00 € 3.569,50 CDGF112501 More Info Register
03/02/2025 - 15/02/2025 Milano Italian € 2.950,00 € 3.569,50 CDGI1162501 More Info Register
24/02/2025 - 08/03/2025 Bari Italian € 2.950,00 € 3.569,50 CDGI132501 More Info Register
17/03/2025 - 29/03/2025 Napoli / Marcianise Italian € 2.950,00 € 3.569,50 CDGI1402502 More Info Register
13/10/2025 - 25/10/2025 Rome Italian € 2.950,00 € 3.569,50 CDGI1402501 More Info Register
17/11/2025 - 29/11/2025 Napoli / Marcianise Italian € 2.950,00 € 3.569,50 CDGI1402503 More Info Register
22/09/2025 - 04/10/2025 Madrid Spanish € 2.950,00 € 3.569,50 CDGS1182501 More Info Register
13/10/2025 - 25/10/2025 Barcelona Spanish € 2.950,00 € 3.569,50 CDGS1172501 More Info Register

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