Reference Library

learn_gemology_iconLearn Gemology
Science, tools, gem identification, treatments, valuation and grading of gemstones.
gemstone_values_iconGemstone Values
Lookup the current retail and wholesale price of any gemstone.
Learn Jewelry & Lapidary
Cutting and faceting stones, jewelry settings, metals, tools and techniques.
Gemstone Encyclopedia
Detailed information for any gemstone you are interested in.

Products and Services Directory

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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