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AGA Las Vegas Conference - Friday, May 30th
Diamond Grading for the Experienced Gemologist— Eye-Opening Insights & Tips on Techniques
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2008 Tucson AGA Conference Review
Photos of Conference & Gala
New Treatments — New Detection Techniques — New Technology
This year’s AGA Tucson event tackled a series of treatment related issues through the kind of first class line-up of speakers and hands-on lab sessions that have come to define this annual event.
Purchase Carbide Scriber

Accredited Gemologists Association
Established in 1974 by Antonio "Tony" Bonanno (as alumnae of the Gemmological Association of Great Britain), AGA was envisioned as a network for sharing gemological information and skills. Graduate gemologists of the Gemological Institute of America joined in 1975. The international Accredited Gemologists Association of today proudly counts among our members some of the worlds leading independent gemologists.
The AGA is an independent, international, nonprofit organization dedicated to...
Gemological Education & Research
Identification & Evaluation of Gem Materials
Development of Professional Standards of Analysis, Practice & Ethics
We are an international organization of all beliefs and cultures and share a common bond of the love of gemstones. AGA believes in excellence and is dedicated to establishing the highest professional standards of practice.
For more details about our organization, please view the following organizational documents. (.pdf files)
Voting membership is available to anyone holding an acceptable credential of G.G. or FGA. Non-voting memberships are available to others as either Associates, Students, or Suppliers.
Officers & Board of Governors for 2008-2010
The Accredited Gemologists Association (AGA) is pleased to announce the following slate of officers and board members.
President: Donna Hawrelko, FGA, FCGmA
Vice President: Kathryn Bonanno, PG, FGA
Secretary: Tracy Aros, GG, ASA Master Gemologist Appraiser®
Treasurer: Monica Caldwell, GG, ASA Master Gemologist Appraiser®
Immediate Past President: Joseph DuMouchelle, GG
Board of Governors
Teri Newman-Brossmer, GG, ASA Master Gemologist Appraiser®
Stuart Robertson, GG
Antoinette Matlins, PG
Nancy Stacy, GG, ASA Master Gemologist Appraiser®
Craig Lynch, GG
Gary Smith, GG, CGA, ASA Master Gemologist Appraiser®
President-elect Donna Hawrelko is also currently the Director of Education of the Canadian Gemmological Association (CGA). She holds the coveted FGA degree in gemology and the FCGmA title from the CGA. “We are pleased to have Donna and her strong board succeeding us,” stated Joseph DuMouchelle and Richard Drucker, outgoing president and vice president. “Donna is a strong leader and has run several successful Canadian gem conferences. Combined with her board, the AGA is poised for even greater growth and exciting contributions to the field of gemology.”