What are the advantages and disadvantages of investments in gold and diamonds? What are the differences between appraisal, valuation and certification? How can one tell a precious stone from a synthetic stone? What are the hidden pitfalls in the investment market? To answer these and other questions about the fields of jewellery and commodities investment, DSC organises free workshops and training courses for small groups (maximum five persons) at its offices at 7 via Speronari, Milan (Duomo district, underground lines MM 1 and MM 3). To participate, simply fill in the form and specify the subject of most interest to you. The courses are held at the offices at 7 via Speronari, Milan (Duomo district, underground lines MM 1 and MM 3).