Professor Sugianto, geologist from the University of Indonesia will conduct the classroom training
- Impurity Ions and Gemstone Colors
- Radiation and the Treatment of Gemstones
- HPHT Diamond Update
- Identifying Inclusions
DGL uses the "Flipped" classroom instructional methodology. This type of learning has the student study the IGS online instructional content prior to the class. In-class lessons are then used more to discuss, answer questions, have live demonstrations, hands-on training and in other ways to engage students in the syllabus content.
Classes are taught in Bahasa Indonesia.