Diamond Education College; Opening the doors to the diamond industry
Diamond Education College; A cut above the rest
Diamond Education College; Add a sparkle to your curriculum vitae

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
    01 April 201901 Apr 201912 April 201912 Apr 2019Vacancies
    15 April 201915 Apr 201926 April 201926 Apr 2019Vacancies
    29 April 201929 Apr 201910 May 201910 May 2019Vacancies
    13 May 201913 May 201924 May 201924 May 2019Vacancies
    27 May 201927 May 201907 June 201907 Jun 2019Vacancies
    10 June 201910 Jun 201921 June 201921 Jun 2019Vacancies
    24 June 201924 Jun 201905 July 201905 Jul 2019Vacancies
    08 July 201908 Jul 201919 July 201919 Jul 2019Vacancies
    22 July 201922 Jul 201902 August 201902 Aug 2019Vacancies
    05 August 201905 Aug 201916 August 201916 Aug 2019Vacancies
    19 August 201919 Aug 201930 August 201930 Aug 2019Vacancies
    02 September 201902 Sep 201913 September 201913 Sep 2019Vacancies
    16 September 201916 Sep 201927 September 201927 Sep 2019Vacancies
    30 September 201930 Sep 201911 October 201911 Oct 2019Vacancies
    14 October 201914 Oct 201925 October 201925 Oct 2019Vacancies
    28 October 201928 Oct 201908 November 201908 Nov 2019Vacancies
    11 November 201911 Nov 201922 November 201922 Nov 2019Vacancies
    25 November 201925 Nov 201906 December 201906 Dec 2019Vacancies
    09 December 201909 Dec 201920 December 201920 Dec 2019Vacancies
  3. Course Fee

    The course fee is R10,000.00 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.