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Lapidary – The Fundamentals of Lapidary

Jewelry

Gemology

An Introduction to Gemology

Practical Gemology (Reference Library = Premium Content learn more)

Advanced Gemology (Reference Library = Premium Content learn more)

Advanced Gem Information (Reference Library = Premium Content learn more)

Gemstone Grading (Reference Library = Premium Content learn more)

General

Colored Stones

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Appraising (Reference Library = Premium Content learn more)

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Looking for gemology related products and services? Visit our Products and Services Directory.

Scholarships

IGS seeks to encourage the advancement of students pursuing a higher education. Learn more about the 2014 Clark Scholarship.

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