Harry Oppenheimer Diamond Training School, located in Johannesburg, is a renowned brand in the diamond industry. Since its establishment in 1990, it has become an internationally recognized educational institution, offering specialized training in diamond manufacturing and evaluation. The school provides a wide range of courses, including rough diamond evaluation, diamond polishing, and GIA workshops.

With a team of experienced instructors who have hands-on experience in all aspects of the diamond industry, students receive top-quality education. Harry Oppenheimer Diamond Training School is committed to upholding the highest level of integrity and academic standards. The school is ISO 9001:2015 certified and certified by the Mining Qualifications Authority.

It is also a registered Trade Test Centre and a member of the Jewellery Council of South Africa. The campus, located in Parktown Johannesburg, attracts students from all over the world. The school offers various programs, such as the renowned Rough Diamond Course, where students learn to value and identify the characteristics of rough diamonds.

They also provide GIA courses, including Polished Diamond Grading, Gemstone Identification, and Colour Stone Grading lab classes. Additionally, the Diamond Polishing Course and Entrepreneurial Valuation and Polishing Course equip students with the necessary skills and knowledge for a successful career in the industry. Harry Oppenheimer Diamond Training School is not only a stepping stone for newcomers to the industry but also a valuable knowledge base for existing diamantaires.

With a commitment to continuous improvement and staying updated with the latest technology, the school ensures that students receive the best possible education and training in the diamond industry