With nearly 20 years experience in the diamond industry, DuttsonRocks courses are a must for education in a very closed & secretive industry. Professional diamond graders, sorters & dealers from all over the world attend our international course programme. We offer courses in diamond grading, sorting of rough and polished diamonds, jewellery design and sales. In addition, we create tailor-made programmes for companies and organisations, run professional workshops worldwide and offer individual coaching. Please enquire by sending us an email to hello@duttsonrocks.com