Consumer Protection Since 1934®
The American Gem Society (AGS) brings together jewelry professionals committed to excellence, expertise, integrity, and lifelong learning. Together, we're creating jewelry experiences that inspire trust and celebrate life's most meaningful moments. For more than 90 years, AGS has helped consumers buy with confidence while empowering members through education, credentials, and community.
Who We Serve
Whether you're searching for a trusted jeweler or advancing your professional journey, find resources and support from AGS.
Our Values
Where Integrity and Expertise Meet Your Most Meaningful Moments
Jewelry is personal. It marks milestones, passes through generations, and becomes part of who we are. That's why every detail matters. AGS members are united in a commitment to these core values:
EXPERTISE
Shop with confidence, knowing you're in caring, capable hands. Through ongoing education, advanced credentials, and deep expertise, AGS jewelers help empower you in life's special moments.
EXCELLENCE
Excellence is a choice, and we commit to it every day. From exceptional craftsmanship to personalized service, AGS jewelers are dedicated to creating an experience that's as remarkable as the jewelry itself.
ETHICS
Trust is earned through every interaction. AGS members uphold rigorous ethical standards, providing honest guidance and transparent recommendations throughout the jewelry buying process.
AGS Members
Meet Our Credentialed Jewelers
Meet a few of the AGS members who bring expertise, integrity, and craftsmanship to every jewelry experience.
DIAMOND MEMBER
BC Clark
With three Oklahoma City stores, BC Clark continually introduces new and exciting designer jewelry lines and the world’s finest luxury brand products. BC Clark stands for passion for our craft and dedication to the people we have served for over 125 years.
DIAMOND MEMBER
Jack Lewis Jewelers
Since 1927, Jack Lewis Jewelers has helped Bloomington-Normal celebrate life’s meaningful moments. From its beginnings as a watchmaker’s shop to its new showroom, the jeweler’s story reflects nearly a century of craftsmanship, personal service, and community commitment. Today, Jack Lewis pairs that heritage with an approachable luxury experience, helping customers find diamonds, engagement rings, and fine jewelry that tell their own stories.
GOLD MEMBER
Spicer Greene Jewelers
For almost 100 years and now in our fourth generation of family ownership, Spicer Greene Jewelers has been the trusted destination for fine jewelry in Western North Carolina. We combine decades of expertise with a fresh approach we call the Jewelry Ecosystem—a world where you can buy, sell, and upgrade jewelry, watches, diamonds and more in one transparent, luxury environment.
Jewelry News & Trends
Read the latest industry news, professional guidance, jewelry buying tips, and emerging trends.
A New Look for the American Gem Society: Meet the New AGS.org
We have some exciting news: AGS has a new website and a new logo… and both were built around you! The redesigned ags.org has two goals: to make it easy
Conclave 2027: Meet the Keynotes, Share Your Expertise, and Register Early
Conclave 2027 keynotes are set: Bert Jacobs, Sarah Robb O’Hagan, James Lawrence, and The Best of Second City. Speaker proposals are due November 30, and early-bird registration runs through February
The Next Generation of Diamond Buyers: Are You Showing Up Where They’re Looking?
By Courtney Sivard, CSA, BC Clark Jewelers, Chair of the AGS Young Titleholders Committee The diamond-buying journey is changing. Here’s how independent jewelers can turn digital discovery into lasting customer