Professor Sugianto, geologist from the University of Indonesia will conduct the classroom training.
- Appraising Opals Part 1: Nomenclature
- Appraising Opals Part 2: Applying Value
- Fundamentals of Lapidary Part 1: Introduction
- Fundamentals of Lapidary Part 2: Making Smaller Pieces
- Fundamentals of Lapidary Part 3: Tumbling
- Fundamentals of Lapidary Part 4: Cabochon Cutting
- Fundamentals of Lapidary Part 5: Faceting
- Heat Treating Procedures
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.
