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 December 202007 Dec 202018 December 202018 Dec 2020Vacancies
    11 January 202111 Jan 202122 January 202122 Jan 2021Vacancies
    25 January 202125 Jan 202105 February 202105 Feb 2021Vacancies
    08 February 202108 Feb 202119 February 202119 Feb 2021Vacancies
    22 February 202122 Feb 202105 March 202105 Mar 2021Vacancies
    08 March 202108 Mar 202119 March 202119 Mar 2021Vacancies
    22 March 202122 Mar 202102 April 202102 Apr 2021Vacancies
    05 April 202105 Apr 202116 April 202116 Apr 2021Vacancies
    19 April 202119 Apr 202130 April 202130 Apr 2021Vacancies
    03 May 202103 May 202114 May 202114 May 2021Vacancies
    17 May 202117 May 202128 May 202128 May 2021Vacancies
    31 May 202131 May 202111 June 202111 Jun 2021Vacancies
    14 June 202114 Jun 202125 June 202125 Jun 2021Vacancies
    28 June 202128 Jun 202109 July 202109 Jul 2021Vacancies
    12 July 202112 Jul 202123 July 202123 Jul 2021Vacancies
    26 July 202126 Jul 202106 August 202106 Aug 2021Vacancies
    09 August 202109 Aug 202120 August 202120 Aug 2021Vacancies
    23 August 202123 Aug 202103 September 202103 Sep 2021Vacancies
    06 September 202106 Sep 202117 September 202117 Sep 2021Vacancies
    20 September 202120 Sep 202101 October 202101 Oct 2021Vacancies
    04 October 202104 Oct 202115 October 202115 Oct 2021Vacancies
    18 October 202118 Oct 202129 October 202129 Oct 2021Vacancies
    01 November 202101 Nov 202112 November 202112 Nov 2021Vacancies
    15 November 202115 Nov 202126 November 202126 Nov 2021Vacancies
    29 November 202129 Nov 202110 December 202110 Dec 2021Vacancies
  3. Course Fee

    The course fee is R12,000.00 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.