Gem Identification

 

GEM240 | Gem Identification

Related diploma program(s): G.G., Graduate Colored Stones

Prerequisite: GEM120, GEM220

 

Discover how to deal with the major categories of gem separations. Learn how to identify more than 60 species of gemstones, separate natural gems from synthetics, and detect treated gems. Develop your skills by practicing testing procedures and techniques on sets of practice stones provided by GIA. Learn about the tools of the trade and how each tool helps reveal the gem properties essential to identification. Find out about the latest treated gemstones in the market today. Discover how illumination techniques can facilitate the identification process. Find out how – and when – to use gemological laboratory services. Learn how to use gem identification skills to protect your business from costly mistakes.

To complete the Gem Identification course (GEM240), you must have access to gem tweezers, a 10x loupe or microscope, refractometer with polarizing filter, optic figure sphere, dichroscope, polariscope, and spectroscope. These instruments are not included with the course materials. Or, you can complete your assignments using these professional tools in GIA’s Student Workroom. For complete Student Workroom activities, hours, and fees, please click here.

 

What do I earn?
Gem Identification Certificate

How can I take it?
At home.

Distance Education only

How long will it take?
Between 8 months (typical) and 24 months (maximum time allowed)