Single week enrollment for those who wish to concentrate on a special subject within the Diamond Grading Programme. Please mind that the sequence DG1-DG4 is obligatory.
Properties and features of diamond, basics of diamond grading, practical clarity and colour grading.
Practical cut grading of brilliants and other cut styles (proportions, symmetry and polish) as well as evaluation of cuts.
Identification of imitations, identification of synthetic and treated stones, practical grading, grading of coloured diamonds.