• Online Education

    For Gem Enthusiasts

    Become a Member

    "IGS is a Godsend for me!"

    - Charlie Bernheiser, IGS Member

    "Thank you for the fantastic adventure!"

    - John Parrot, IGS Member
    separator

    Ways to Start Your Gemology Education

    Join Our Thriving Community


    1,588 Articles
    13,449 Members
    229 Directory Listings
    separator

    The world's best gem articles, published weekly.


    Most Recent Articles

    Trapiche Gems: An Introduction

    Satisfying the human desire for symmetry, trapiche gems have a special allure. Learn what makes these rarities so unique in our introductory article.…

    separator
    色噜噜狠狠综合在爱