Webinar Series

GIA Knowledge Sessions





The GIA Knowledge Sessions are a series of talks and seminars that engage participants in the most diverse and pressing issues in gemology today, including gemstone origin, laboratory-grown stones and new discoveries in field gemology. These webinars are brought to you by GIA Ph.D.s, field gemologists, educators and research scientists whose experience and expertise offer a trove of gem knowledge.

The sessions are free and open to the public. Registration in advance is required to attend.

Upcoming Sessions

May 28, 2020 | Behind the Scenes: Untold Stories from GIA Field Gemology Expeditions
10:00 a.m. PDT
Speakers: Robert Weldon, Dr. Aaron Palke and Wim Vertriest
Register Soon

June 4, 2020 | An Overview on Pearl Identification: Techniques and Challenges
10:00 a.m. PDT
Speaker: Dr. Chunhui Zhou
Register Soon

June 11, 2020 | Diamond Exploration & Mining
10:00 a.m. PDT
Speaker: Dr. Evan Smith
Register Soon

June 18, 2020 | Tools of the Trade: The Advanced Analytical Equipment Used in GIA Laboratories
10:00 a.m. PDT
Speaker: Dr. Aaron Palke
Register Soon

June 25, 2020 | Diamond Color Treatment and Its Identification
10:00 a.m. PDT
Speaker: Dr. Wuyi Wang
Register Soon

Past Events

May 21, 2020 | An Exclusive View of the Jade Auction
Jadeite is the only colored gemstone whose auction price can rival that of ruby, emerald and sapphire. What is jadeite’s enduring appeal and what factors determine this gem’s value? Journey with Dr. Tao Hsu, geologist and director of global professional development for GIA education, as she explores a jadeite auction at the exclusive Myanma Gems Emporium in Myanmar — the country that produces over 90% of the world’s jadeite. Pick up insider tips and knowledge along the way!

May 14, 2020 | Laboratory-Grown Diamonds from China
Watch Webinar
China is the world’s largest producer of laboratory-grown diamonds for industrial use and is now a significant producer of gem-quality laboratory-grown diamonds. What impact do Chinese laboratory-grown diamonds have on diamond prices and the jewelry industry? Find out as Dr. Wuyi Wang, GIA vice president of research and development, breaks down how and why laboratory-grown diamonds are produced in the world’s second-largest economy.

May 7, 2020 | Rubies: Connecting Sources, Treatment and Science
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Known as “the king of precious stones,” untreated rubies are some of the most valuable colored gems in the world. Find out why as Wim Vertriest, supervisor of field gemology at GIA Bangkok, explores the mining, treatment, lore and politics of these legendary gems.

April 30, 2020 | Fascinating World of Pearls and Shells
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We’re shelling out pearl knowledge with a webinar by Nick Sturman, senior manager of global pearl services at GIA. Do all bivalves, including oysters, clams and mussels, produce pearls? Which pearl types are the most popular and where are they found? Travel with us as we dive into the world of these rare organic treasures.

April 23, 2020 | GIA’s Field Gemology Program: A Research Based Approach to Origin Determination
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Senior manager of research, Aaron Palke, Ph.D., expounds on advanced research techniques to determine gemstone origin and how traceability may be the next challenge GIA undertakes.

April 16, 2020 | Laboratory-Grown Diamonds: Updates and Identification
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GIA senior research scientist, Dr. Mike Breeding, wants to tell you the story of laboratory-grown diamonds. If all diamonds are made of carbon, what separates laboratory-grown from natural?

April 9, 2020 | The Unique Story of Natural Diamond
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Research scientist, Dr. Evan Smith, explores the origin of natural diamonds and discusses their significance from the perspective of Earth science.

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