Rough Diamond Evaluation and Grading Course

  1. Duration of Rough Diamond Evaluation and Grading Course

    It is a 2 week course - full day from Monday to Friday, 08:00 to 14:00.

  2. Commencement

    The Rough Diamond Evaluation and Grading Courses will be run as follows:-

    Rough Diamond Evaluation and Grading Courses
    Start DateEnd DateStatus
    07 February 202207 Feb 202218 February 202218 Feb 2022Vacancies
    21 February 202221 Feb 202204 March 202204 Mar 2022Vacancies
    07 March 202207 Mar 202218 March 202218 Mar 2022Vacancies
    22 March 202222 Mar 202201 April 202201 Apr 2022Vacancies
    04 April 202204 Apr 202214 April 202214 Apr 2022Vacancies
    19 April 202219 Apr 202229 April 202229 Apr 2022Vacancies
    03 May 202203 May 202213 May 202213 May 2022Vacancies
    16 May 202216 May 202227 May 202227 May 2022Vacancies
    30 May 202230 May 202210 June 202210 Jun 2022Vacancies
    13 June 202213 Jun 202224 June 202224 Jun 2022Vacancies
    27 June 202227 Jun 202208 July 202208 Jul 2022Vacancies
    11 July 202211 Jul 202222 July 202222 Jul 2022Vacancies
    25 July 202225 Jul 202205 August 202205 Aug 2022Vacancies
    08 August 202208 Aug 202219 August 202219 Aug 2022Vacancies
    22 August 202222 Aug 202202 September 202202 Sep 2022Vacancies
    05 September 202205 Sep 202216 September 202216 Sep 2022Vacancies
    19 September 202219 Sep 202230 September 202230 Sep 2022Vacancies
    03 October 202203 Oct 202214 October 202214 Oct 2022Vacancies
    17 October 202217 Oct 202228 October 202228 Oct 2022Vacancies
    31 October 202231 Oct 202211 November 202211 Nov 2022Vacancies
    14 November 202214 Nov 202225 November 202225 Nov 2022Vacancies
    28 November 202228 Nov 202209 December 202209 Dec 2022Vacancies
    12 December 202212 Dec 202223 December 202223 Dec 2022Vacancies
  3. Course Fee

    The course fee is R14,000.00 inclusive of VAT.
    Off-site training sessions can be arranged provided there are a minimum of 10 students per course. Please contact our offices for more information.

    To ensure personal attention, each course is limited to a maximum of ten students.

    A registration deposit of 50% is payable to secure the student's place. Check availability of course date before paying a deposit. Acceptance will only be confirmed upon receipt of the required deposit paid into our bank account and proof provided.

  4. General Course Objectives
    1. To prepare the student to become proficient in every technique involved in the evaluation and grading of diamonds.
    2. To teach the student how to sort and buy diamonds both in the rough and cut state and how colour, imperfection and shape affect prices.

  5. Course Outline
    Students will learn:
    1. the correct use of a loupe.
    2. the different varieties of diamond crystals and polycrystalline aggregates in diamonds using real diamonds as well as wooden and plastic models.
    3. the identification of imitation (fake) diamonds.
    4. structural defects and the internal structure of diamond crystals including marks, inclusions, naart, maccles and stress.
    5. optical, mechanical, electrical, thermal and chemical properties of diamond crystals.
    6. the study of impurity centres in rough diamond crystals, their cause and effect.
    7. how to select diamonds for fancy shapes, determining their ultimate form whilst in the rough stage.
    8. how to determine colour in diamonds, both natural and artificial, and its effect on buying and selling.
    9. how to select and sort rough diamonds for purity, colour, size, shape and any unusual qualities.
    10. how to determine whether a whole rough diamond is to be cleaved, sawed or retained as is.
    11. classification of rough gems and industrial diamonds.
    12. use of a polariscope when analyzing stress and strain within the internal molecular structure of rough diamonds.
    13. sketching of rough diamonds pinpointing impurities within the diamond.
    14. use of a Moe gauge to estimate weight recovery as well as estimating weight recovery percentages.
    15. pricing of rough diamonds using the Rapaport Polished Diamond Price List and the ADTEC Rough Diamond Guideline Price List.
    16. use of OGI planning scanner & computer.

  6. Certificate

    There will be a practical exam on completion of this course, and the student will receive a certificate stating that they have successfully completed the Rough Diamond Evaluation and Grading Course at the Diamond Education College.

  7. Applications
    1. Applications must be made well in advance because of the limited number of students that can be accommodated at any specific intake.
    2. Admission is solely at the schools discretion.
    3. Full fee must be paid before commencement of the course.
    4. Fees are not refundable. Postponing of the course is possible only with two weeks advance notice.

  8. Equipment

    All equipment for use during the course will be provided and remain the property of the Diamond Education College.

  9. Accommodation and Transportation

    Students must arrange their own transport and accommodation.

  10. Discipline

    Students will be subject to the disciplinary code of the Diamond Education College. Any student who is in breach of its code will be liable to suspension or expulsion without refund of fees paid.

  11. Language

    The course is presented in English.