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AGA Membership

As a professional peer society, we believe in excellence and are dedicated to establishing the highest ethical and professional standards of practice. As a member, you gain peer recognition for active participation in educational programs and industry forums gaining the personal satisfaction of improving your skills while contributing to your profession.

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Continuing Education

We encourage you to enhance your experience and knowledge through taking classes. We recommend that you take ASA, GIA, AGS, ISA and NAJA workshops all through the year to accomplish this.

AGA strives to offer 2 educational conferences per year. One in Tucson during the Gem and Mineral Show at the beginning of each year and one in Las Vegas during JCK mid-year.

Meet the leaders. Enrich your knowledge of gemology and gem trade issues by exchanging information with a diverse range of professionals. We've met with gemstone treaters, crystal growers, enhancement detection specialists, designer gem cutters, the trade press, gem instrument developers, computer technology specialists, domestic and international traders and the FTC.

Certified Gem Lab

AGA Members can achieve certification by fulfilling the highest equipment standards and compliance with the AGA code of ethics. (Print the Gem Lab Certification application.)

AGA Designation Materials for Voting Members

Identify and promote your image as a dedicated, ethical and professional gemologist using the following items.

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GGTL Lab Report - A scam with international ramifications concentrating on colorless diamonds of high color grades

Update - Lead Glass Filled Rubies & Sapphires from Tucson - Feb. 2013
Discovered during Raymond Mason's 2012 trip to Thailand - Composite rubies and sapphires.

AGA's FTC report...

AGA Las Vegas Conference - see what you missed...

SAVE THE DATE AND START PLANNING NOW - AGA Tucson Conference, Feb. 1, 2017

Announcing the AGA Gemological Education Scholarship Program

The Accredited Gemologists Association is pleased to announce that applications are now being accepted for the 2016 AGA Gemological Education Scholarship. In keeping with AGA's mission to support gemological education and research, this scholarship up to $5,000 USD is authorized by the governors of the AGA. The scholarship is open to anyone who is interested and will be actively working in the field of gemology. No experience is necessary but a willingness to further their education in this field is a must. Funding for the AGA Education Scholarship is made possible by the generous support of AGA members. The AGA is a 501c(3) nonprofit organization registered in the State of California.

Details regarding the application requirements and process...

Dr. Cigdem Lule Awarded the Antonio C. Bonanno Award for 2016

The AGA is pleased to announce that Dr. Cigdem Lule is the recipient of the 2016 Antonio C. Bonanno Award for Excellence in Gemology.

Cigdem is recognized for her significant contributions to the field of gemology, among which her research involving the identification of gem findings from archaeological sites, with an emphasis on geologic and geographic origin investigation, was particularly noteworthy. Her subject, known as archaeogemology, examines ancient gems from the mineralogist and gemologist point of view in order to better understand ancient civilizations and their interactions.

Read more...

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2016 AGA Platinum Sponsor


Estate Buyers

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Past 2016 AGA Tucson Conference Sponsors

Gemmological Association of Great Britain    
Canadian Gemmological Association
Canadian Gemmological Association

An Opportunity to Make a Difference & Increase the "Brilliance" of Future AGA Conferences

The Accredited Gemologists Association (AGA) is a non profit organization and your tax deductible donation will enable AGA to provide an opportunity to bring some of the world's most respected scientists and extraordinary gemologists to one of the country's most respected gemological conferences in Tucson and Vegas.

Read more about becoming an AGA Conference Patron...

AGA Conference Sponsorships - Benefits

About the 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 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.

The AGA Annual Board Meeting will be held in Tucson, the day before the AGA Conference. The AGA Annual Membership Meeting will be held in Tucson, the day of the AGA Conference. Both events are held in the same facility as the AGA Conference.

For more details about our organization, please view the following organizational documents. (.pdf files)

Voting Membership is available to anyone holding an acceptable credential from the Gemological Institute of America, Gemmological Association of Great Britain, Canadian Gemmological Association, or other school of gemology as approved by the Board of Directors. Non-voting memberships are available to others as either Associates, Students, or Affiliates.

Click here to apply for AGA Membership.

Officers & Board of Governors for 2014-2016

The Accredited Gemologists Association (AGA) slate of officers and board members:

President: Stuart Robertson, GG
Vice President: Teri Brossmer, GG
Secretary: Raymond Mason, GG
Treasurer: Chris Jacobs, GG
Immediate Past President: Donna Hawrelko, FGA, FCGmA

Board of Governors

Jane Chaikowsky, GG
Heidi Harders
, GG
Ted Irwin
, GG
Craig Lynch, GG
Art Samuels, GG
Patti Schrag, GG

Committee Chairs

Educational Standards and Outside Association Relationship Committee: Donna Hawrelko, FGA, FCGmA
Conference Committee: Antoinette Matlins, Gary Smith, Ted Irwin, Donna Hawrelko, Craig Lynch, Raymond Mason
Certified Gemological Laboratory Committee: Carole Richbourg, GG
Membership Committee: Christine York, GG
Bonanno Award Committee: Stuart Robertson, GG with Christopher Smith, Richard Hughes & Shane McClure
Sponsorship Committee: Teri Brossmer, GG with Art Samuels
Education Scholarship & Research Grants Committee: Heidi Harders, GG with Jane Chaikowsky & Cigdem Lule, PhD


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