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Learn Gemology

Science, tools, identification, treatment, valuation & grading of gems.

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Gemstone Values

Lookup the current retail and wholesale price of any gemstone.

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Jewelry & Lapidary

Cutting and faceting stones, jewelry settings, metals, tools and techniques.

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Full List of Gems

Detailed information for any gemstone you are interested in.

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Take Your Passion for Gemstones to a Whole New Level

For as low as $3/month

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Accelerate Your Gemology Career

Become an IGS certified gemology expert with our online course!
(no experience required)

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