• LOGIN
  • MEMBERSHIP
  • Community
  • About
  • Advertise
  • Contact
  • Learning Center
    • Gemology
    • Jewelry and Lapidary
    • Gemstone Encyclopedia
  • Courses
    • IGS MembershipFor Professionals and Enthusiasts
    • Mini Courses
    • Professional Gemologist Certification
    • Diamond Specialist Certification
  • Prices & Buying Guides
    • Gem Price Guide
    • Expert Gem Buying Guides
  • Diamond Buying Advice
    • Beginners Guide
    • Clarity
    • Color
    • Carats
    • Cut
    • The 5th C - Certification
    • Diamond Shapes
    • Choosing a Ring Style, Setting, and Metal
    • Diamond Sources
    • Cost Factors, Savings, and Financing
    • Deciding Where to Buy a Diamond
  • Gem-Related Businesses
    • View All Businesses
    • Appraisals
    • Auctions
    • Gem Cutting
    • Gem Treating
    • Gemological Laboratories
    • Gemology Supplies and Equipment
    • Gemstones
    • Informational Resources
    • Jewelry
    • Lapidary Supplies and Equipment
    • Rough Gems and Mineral Specimens
    • Special Services
login

Enter your username or email
and password below


Not a member yet? Join today!


Don't know your login info?

Click here and we'll send an automatic login link to your email
or Reset Your Password via Email

Not a Member?

Join IGS today for great benefits!


  • Exclusive access to our premium articles and courses
  • Unlimited access to our gem pricing guide
  • Create your own listing in our business directory
  • Professional certification courses
  • Mini gemology courses
  • Participate in our member-only forums

Membership options

About

The International Gem Society (IGS) is the world's top resource for gem professionals, enthusiasts, and industry content. Learn more


Contact
  • Contact Us
  • Member Support
  • FAQ & Help
Want more gemology insights?

Learn how to get started with the International Gem Society’s guide to gemstone identification. Join our weekly newsletter & get a free copy of the Gem ID Checklist!

SIGN ME UP

© 2022 International Gem Society LLC. All rights reserved.   Privacy Policy   |   Terms of Use   |   Affiliate Disclosure   |   Accessibility Statement

Ready to learn how to identify gems on your own?

Join our mailing list below to download a FREE gem ID checklist tutorial. See what’s inside…

  • Discover the 17 practical steps to gemstone identification (even if you’re just getting started with gemology)
  • Learn how you can use specific tools to gather data, make observations & arrive at an accurate ID
  • Explore a range of gemological tests… not only will you get familiar with the process but also time-saving shortcuts!

IGS Become Member

Join IGS today for great benefits!


  • Exclusive access to our premium articles and courses
  • Unlimited access to our gem pricing guide
  • Create your own listing in our business directory
  • Professional certification courses
  • Mini gemology courses
  • Participate in our member-only forums

Membership options