On February 5, 2025, the Accredited Gemologists Association (AGA) will host its annual Gemological Conference and Gala at the Tucson Marriott University Park in Tucson, Arizona. This event will feature a full day of six must-attend gemological presentations, networking opportunities, and the prestigious Antonio C. Bonanno Award for Excellence in Gemology during the evening gala.
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Conference Schedule and Speakers
- Emmanuel Fritsch, Ph.D., GG, hFGA
Presentation: From UV Lamp to Spectroscopy: How to Get the Most Out of Your Luminescence Equipment
Professor Fritsch from the University of Nantes will discuss the applications of luminescence in gemology, from traditional UV lamps to modern alternatives like lasers. The presentation will provide guidance on describing gemstone luminescence effectively and delve into luminescence spectroscopy for gem identification. - Sharrie Woodring, GIA GG, FGA
Presentation: AI in Diamond Grading: Fluorescence Analysis and Traceability
Senior Gemologist at GCAL by Sarine, Woodring will explore the integration of artificial intelligence in diamond grading, focusing on fluorescence analysis and the latest developments in industry traceability. - Jean-Pierre Jutras, B.Sc. Honors Geology
Presentation: Nephrite Jade: A Geologist’s Perspective
Jean-Pierre Jutras, President and Director of Jade Leader Corp, will present an in-depth analysis of nephrite jade, covering its geological origins, distinctive characteristics, and market value. - Hanco Zwaan, Ph.D., FGA
Presentation: Rare and Unusual Gems in the Laboratory
Director of the Netherlands Gem Laboratory, Zwaan will highlight the challenges and techniques involved in identifying rare and unusual gemstones analyzed in gemological labs.
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- Brecken Branstrator, GIA GG
Presentation: The Role of the Gemologist-Journalist: Gathering and Fact-Checking Information
The Editor-in-Chief of GemGuide will share insights on combining gemological expertise with journalism, emphasizing the importance of accurate fact-checking in the industry. - Michael S. Krzemnicki, Ph.D.
Presentation: Radiometric Dating of Gemstones: Insights into Their Formation
Director of the Swiss Gemmological Institute SSEF and recipient of the 2024 Bonanno Award, Krzemnicki will present radiometric dating techniques applied to gemstones, revealing captivating insights into their geological formation.
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Panels and Workshops
- James E. Shigley, GIA
Presentation: The Changing World of Gemology: A Look Back and a Look Forward
GIA’s Distinguished Research Fellow will kick off Friday’s events with an exploration of past and future developments in gemology. - American Jewelry Design Panel
Moderated by Shelly Sergent and designer Eddie Sakamoto, with participation from Adam Neeley and other industry talents, this panel will examine trends and innovations in American jewelry design. - Museum Experiences Panel
Featuring Dr. Gabriela Farfan from the Smithsonian and other experts, this discussion will explore the role of museums in showcasing gemstones and enhancing public appreciation. - Panel: From Science to Social Media
This panel will discuss how specialized media covers and communicates the jewelry industry. Participants include Brendan Laurs (The Journal of Gemmology), Jennifer Heebner (AGTA), and moderator Gary Roskin.
Live Demonstrations and Hands-On Workshops
- Live Gem Cutting
Sponsored by Tucson Todd’s Gems, live gem-cutting sessions will take place on February 5 and 6. Nadine Marshall, a young lapidary prodigy, will lead the session Bespoke Gemstone Cutting, followed by seasoned expert Larry Woods. - MJSA Journal Live Jewelers Bench
From February 5 to 7, practical workshops will run daily from 4:00 PM to 4:55 PM in Room 204, featuring: Colored Pencil Techniques for Gemstones by Rémy Rotenir and On the Surface: Techniques for Texturing Metal and Mark of Imagination: Engraving Jewelry Designs by Melissa Muir
Gala and Antonio C. Bonanno Award Presentation
The evening gala will culminate in the presentation of the Antonio C. Bonanno Award for Excellence in Gemology, which honors outstanding contributions to the gemological field. This year, the award will be presented to Michael S. Krzemnicki for his exceptional research and educational advancements in gemology.



















