IGI is the first gemological institute offering practical Rough Diamond Courses.
The purpose of this practical course is to deliver focused knowledge on:

• Sorting of clarity, color, sizes, weights and shapes
• Sorting for cleavage & sawing
• Identifying diamonds, synthetics, simulated stones and treatments

• Theoretical notions about rough diamonds, crystallography and chemistry
• Diamond properties
• Practice - sorting of rough diamonds according to quality (jewelry vs. industrial)

• Practice - sorting of rough diamonds: color and clarity

• The different steps in diamond fashioning from the rough to the finished product - cleavage, sawing, polishing, bruting
• Practice - analysis of color and clarity, marking of rough diamonds

• Diamond producers: the different mines and the individual characteristics of their diamonds
• Practice - sorting and evaluation of rough diamonds

• Practice - computerized quality estimation of rough diamonds (Sarin)

• Practical test and delivery of the IGI Rough Diamond Diploma