back     Course Objectives To prepare the student to become proficient in every technique involved in the manufacture and grading of diamonds. To teach the student how to sort and evaluate diamonds both in the rough and polished state and how colour, imperfection, shape and proportions affect prices.   Course outline How to use a loupe correctly Gem and near gem Different quality shapes colour sizing and sieving Great precision of what is SAWABLE, MAKEABLES, MACCLES, CLIVAGE, REJECTIONS, FLATS and BOART with its qualities and colours Cullinan ? De Beers mine ? surface ? underground tour Visits to various alluvial diggings How to use the Rapaport Diamond Price List. And the international diamond price structure. How to look for and identify the grain in a sawed (four point) diamond How to look for and identify the crystal symmetry, axis, plane, form and habit of diamond crystals Moissanite identification The study of impurity centres in rough diamond crystals, their cause and effect How to select diamonds for fancy shapes, determining their ultimate form when in the rough How to determine colour in diamonds, both natural and artificial, and its effect on buying and selling How to select rough diamonds for purity, colour, size, shape and unusual qualities How to determine whether a whole rough diamond is to be cleaved, sawed or remain whole The process used in cutting and shaping elliptical diamonds such as , ovals,marquises pear shaped diamonds, etc Classification of rough gems and industrial diamonds How to use the Rapaport Diamond Price List and the international diamond price structure Moissanite identification How to determine table, crown angle, pavilion and depth Diamond grading systehysical and optical properties: how to clarity grade, and how to plot clarity characteristics   Costs South African citizen R 7 000.00 Non South African citizen US$ 1 500.00 A 50% registration deposit fee is payable.   Commencement The Rough Diamond Evaluation and Grading Courses will be run as follows: Johannesburg: 04 July 2011 / 18 July 2011 /08 August 2011 / 22 August 2011 / 05 September 2011 / 12 September 2011 / 03 October 2011 / 17 October 2011 / 31 October 2011 / 07 November 2011 / 21 November 2011 / 05 December 2011 /First Monday of every month 2012.   IMPORTANT NOTICE   Although these prices are current, The Corlia Roberts Diamond Education College reserves the rights to change prices with out prior notice. Each course is limited to a maximum of 4 (Four) students.Corlia can be contacted on +2782 965-7740 Certification There will be a exam on completion of the course, and the student will receive a Internationally recognized Certificate stating that they have successfully completed the Rough Diamond Evaluation and Grading Course at The Corlia Roberts Diamond Education College.   Top