Welcome to the IGS Learning Center.
Science, tools, identification, treatment, valuation & grading of gems.
Cutting and faceting stones, jewelry settings, metals, tools and techniques.
Detailed information for any gemstone you are interested in.
Lookup the current retail and wholesale price of any gemstone.
For as low as $3/month
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Become an IGS certified gemology expert with our online course!(no experience required)
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