Harry Oppenheimer Diamond Training was established in 1990 and has since grown to become internationally recognised Educational Intuitions for the Diamond and Gemstone industry. On the 5 August 1996, the School was renamed to its current name and was opened by Mr Harry Oppenheimer, an Icon in the diamond industry. Harry Oppenheimer Diamond Training School is a non-profit company. We are certified ISO 9001:2015 Quality management system.. We are an Authorised Training Provider (ATP) for the MQA (Mining Qualifications Authority) We are a member of the Jewellery Council of South Africa We strive to uphold the highest level of integrity and academics through professional education. Our Lectures have been working in the diamond industry for many years and have hands-on experience in all aspects of diamond manufacturing and evaluation and grading. The Harry Oppenheimer Diamond Training is situated in the heart of the diamond industry in South Africa in Jewel City and we are in SA Diamond Centre, all the major diamond entities are housed in The Jewel City. Our Rough Diamond Course is renowned as one of the best in the world and we a continuously striving to upgrade and stay will technology The six month Diamond Polishing course has two variations the HODTS Complete Round Brilliant Qualification or a learnership qualification, the students are taught to polish either the top or the bottom of a diamond and on completion receives a National Certificate in Diamond Processing will be issued. GIA Diamond Grading, Gemstone Identification and Colour Stone Grading lab classes are run at HODTS these three classes are required subjects for the GG (Graduate Gemmologist) Programme. We proctor exams for the GIA courses. HODTS is a stepping stone for newcomer and a knowledge base for existing diamantaire.