Diamond Grading Certification Programme - HKU SPACE: Retail, Fashion and Luxury Brand Management courses
Class arrangement during COVID-19

The COVID-19 situation may still be fluid and constantly affect class arrangements in the coming months. The health and safety of our students will always be our top priority. To ensure that students’ academic progress is not affected, the School may substitute face-to-face classes with online teaching if necessary in the event that face to-face classes cannot be held. Our respective Programme Teams will contact the students concerned with details of such arrangements as necessary. For more details on the class arrangement during COVID-19, please refer to the special announcement on the School homepage.

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Diamond Grading Certification Programme

Course Code
Application Code
Study mode
Start Date
To be advised
5 weeks
Cantonese supplemented with materials in English
Course Fee
How to Apply
Deadline on 05 Sep 2021 (Sun)
Seats are limited.
Enrollment is on first-come-first-served basis.

The highly skilled HRD Antwerp trainers will guide you through the fascinating world of diamonds. You will learn how to detect the most common simulants and will be able to work with the HRD Antwerp stereozoom microscope and other gemological equipment. At the same time, you will develop impeccable diamond grading skills. This course is a perfect balance between theoretical knowledge and practical skills. Participants who successfully pass the final examination will be awarded the ‘HRD Antwerp Certified Diamond Grader’ certificate.


HRD Antwerp is Europe’s leading authority in diamond certification. It is located in Antwerp since 1973. They have diamond laboratories in Belgium (Antwerp HQ), India (Mumbai), Turkey (Istanbul) and Hong Kong, use the most sophisticated technology and rely on the extensive expertise of in-house research department.

Students who pass the examination will be awarded  the ‘HRD Antwerp Certified Diamond Grader’ certificate.

Students who have achieved not less than 70% attendance will be awarded a Statement of Attendance by HKU SPACE.



The programme is taught by HRD Antwerp trainers.

40-hours of laboratory practice and 7-hours of examination at the end of the course will be conducted at HRD Antwerp laboratory .




Diamond Grading Certification Programme comprises a total of 65 hours (18 hours of theory, 40 hours of laboratory and 7 hours examination)

Modules Topics :

  1. Introduction to the properties of diamonds.
  2. Explanation of the 4C’s (Carat, Colour, Clarity and Cut).
  3. Correct cleaning of diamonds.
  4. Diamond optics. Use of HRD Antwerp stereozoom microscope (D- Scope).
  5. Systematic examination of a diamond. Favourable and unfavourable angles of observation.
  6. Principles of weighing, calculation of the carat weight.
  7. Identification of external and internal characteristics. Plotting and exercises.
  8. Colour determination of diamonds by comparison with master stones.
  9. Grading of colour and fluorescence.
  10. Clarity grading using the HRD Antwerp D-scope and loupe.
  11. Cut grading. Determination of proportions, symmetry and polish. Measuring dimensions using a caliper (micrometer).
  12. Use of tables for proportions and symmetry.
  13. Examination and grading of fancy cuts.
  14. Characteristics and properties of diamonds versus imitations (simulants). Including simple tests to distinguish natural diamonds from imitations.
  15. Identification of clarity treatments (e.g. crack filling).
  16. Introduction to synthetic diamonds and colour treatments.
  17. Final examinations.



ANDREW SY  LOO  , Gemmologist, Diamond Grading Tutor 

Andrew has been a gemstone educator for nearly two decades,  having joined the local & international  gemstone laboratories as well. 
Currently works as a Gemmologist,  and, Diamond Grading Tutor 


Application Code 1945-3962NW -

Tentative Timetable


One must be at least 18 years of age.

Course Fee
  • Course Fee : HK$25,000
  • Third Age Rate : HK$20,000 (The course offers 20% discount for aged 60 or above. The number of discount places available in some courses is subject to a quota. Smart Age Learners must apply in person and present their HKID card/Passport for age verification at the time of their course enrolment.)

Application Form Download Application Form

Enrolment Method
Payment Method
1. Cash, EPS, WeChat Pay Or Alipay

Course fees can be paid by cash, EPS, WeChat Pay or Alipay at any HKU SPACE Enrolment Centres.

2. Cheque Or Bank draft

Course fees can also be paid by crossed cheque or bank draft made payable to “HKU SPACE”. Please specify the programme title(s) for application and the applicant’s name.. You may either:

  • bring the completed form(s), together with the appropriate course or application fees in the form of a cheque, and any required supporting documents to any of the HKU SPACE enrolment centres;
  • or mail the above documents to any of the HKU SPACE Enrolment Centres, specifying  “Course Application” on the envelope.  HKU SPACE will not be responsible for any loss of payment sent by mail.
3. VISA/Mastercard

Applicants may also pay the course fee by VISA or Mastercard, including the “HKU SPACE Mastercard”, at any HKU SPACE enrolment centres. Holders of the HKU SPACE Mastercard can enjoy a 10-month interest-free instalment period for courses with a tuition fee worth a minimum of HK$2,000; however, the course applicant must also be the cardholder himself/herself. For enquiries, please contact our staff at any enrolment centres.

4. Online Payment

Online application / enrolment is offered for most open admission courses (course enrolled on first come, first served basis) and selected award-bearing programmes. Application fees and course fees of these programmes/courses can be settled by using "PPS by Internet" (not available via mobile phones), VISA or Mastercard. In addition to the aforesaid online payment channels, continuing students of award-bearing programmes, if their programmes offer online service, may also pay their course fees by Online WeChat Pay, Online Alipay and Faster Payment System (FPS). Please refer to Enrolment Methods - Online Enrolment  for details.


  • If the programme/course is starting within five working days, application by post is not recommended to avoid any delays. Applicants are advised to enrol in person at HKU SPACE Enrolement Centres and avoid making cheque payment under this circustance.
  • Fees paid are not refundable except under very exceptional circumstances (e.g. course cancellation due to insufficient enrolment), subject to the School’s discretion. In exceptional cases where a refund is approved, fees paid by cash, EPS, WeChat Pay, Alipay, cheque or PPS (for online payment only) will normally be reimbursed by a cheque, and fees paid by credit card will normally be reimbursed to the payment cardholder's credit card account.
  • In addition to the published fees, there may be additional costs associated with individual programmes. Please refer to the relevant course brochures or direct any enquiries to the relevant programme team for details.
  • Fees and places on courses cannot be transferrable from one applicant to another. Once accepted onto a course, the student may not change to another course without approval from HKU SPACE. A processing fee of HK$120 will be levied on each approved transfer.
  • Receipts will be issued for fees paid but HKU SPACE will not be repsonsible for any loss of receipt sent by mail.
  • For payment certification, please submit a completed form, a sufficiently stamped and self-addressed envelope, and a crossed cheque for HK$30 per copy made payable to "HKU SPACE" to any of our enrolment centres.