Length: 16 hours
Instructor: Ted Irwin, Graduate Gemologist
NGI Director

Together with Diamond Grading, the core of our gemological education since 1978.

Learn to identify gems by the determination of their properties and classify them properly by variety and species. Identify common synthetics

In Gem ID you will learn to use the:

Specific Gravity Liquids
Binocular Microscope
Immersion Liquids

Our laboratory workbook with data on procedures and gemstone properties is yours to keep for future reference and laboratory use.

GEM ID II (pre-requisite Gem ID I) will take you further into the identification process as you learn more procedures for those “tricky” identifications. Utilize additional equipment as you examine a broader range of stones will be with emphasis on the characteristics of synthetics, assembled stones, treatments and inclusions