ACADEMIC CURRICULUM

Course Programs & Pathways

Comprehensive course listing covering practical gemstone testing, diamond grading, treatment detection, and trade knowledge.

Home / Course Programs

PROGRAM CATALOG

Gemological Training Curriculum

Explore structured training programs led by qualified laboratory gemologists.

COURSE CODE: IGL-GEM-101

Applied Colored Gemstone Gemology

Level: Foundation to Intermediate Duration: Scheduled Term

Learning Outcomes

Master standard optical testing instruments (refractometer, polariscope, spectroscope, binocular microscope) and accurately identify natural rubies, sapphires, emeralds, and commercial imitations.

Core Curriculum Topics

• Crystal structures and optical constants
• Refractive index measurement & birefringence
• Microscopic inclusion diagnosis
• Natural vs synthetic corundum & beryl

Certificate Awarded: IGL Gemstone Testing Credential (upon exam completion) Enquire & Register

COURSE CODE: IGL-DIA-201

Diamond Grading & Evaluation

Level: Intermediate Duration: Scheduled Term

Learning Outcomes

Acquire systematic skills in diamond 4Cs evaluation, color comparison against master sets, clarity plotting, cut proportion measurement, and CVD/HPHT screening.

Core Curriculum Topics

• D to Z color grading under daylight lighting
• 10x darkfield clarity plotting
• Cut symmetry & proportion calculation
• Screening for lab-grown diamond indicators

Certificate Awarded: IGL Diamond Evaluation Certificate Enquire & Register

Discover the IGL Difference

Professional Testing · Trusted Certification · A Brighter Tomorrow

Get Laboratory Service Verify Report Contact IGL

SCIENCE INTEGRITY TRUST FOR A BRIGHTER TOMORROW