Category Archives: Meeting Archives

Secrets of the Gem Trade: The Connoisseur’s Guide to Precious Gemstones By Richard W. Wise

Secrets of the Gem Trade: The Connoisseur’s Guide to Precious Gemstones Continue reading

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Traditional vs Non-Traditional Sapphire by Sheahan Stephen

This video provides the tools to understand and articulate clearly to their customers the subtle difference between pinkish-orange, orangish-pink, and Padparadscha. Continue reading

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Life of passion in gemology by Martin Fuller FGA, GG (GIA)

Martin Fuller shared a presentation that was jam packed with great photos and stories of the many auction worthy jewelry and people he has had the privilege of performing appraisals for over the years, including the Hope Diamond!! DCGIA thanks … Continue reading

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“The Science and the Art of Gem Cutting” by John Dyer

John Dyer (Self Proclaimed Gem Nerd) shared his passion, his award winning designs and gemstones. How much is science and how much is creativity? From custom cut classic shapes with exceptional brilliance with flat faceting, to concave faceted and avant-garde … Continue reading

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“Tsavorite: History, Family and Ethical Sourcing” by James Walker

Mr. Walker covered the history of the discovery of Tsavorite, what it was like working with Campbell Bridges for nearly 20 years. Why the Bridges family was one of the original Ethical Sources, due to the vertical integration of their … Continue reading

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The Origin of Natural Diamonds: by Karen Smit and Matthew Tratner with GIA

GIA research scientist, Karen Smit, PhD and GIA Business Development Director, Matthew Tratner talk diamonds—their formation and origin and how the GIA Diamond Origin Report helps tell their story. See the Zoom video of the panel presentation: DCGIA Members thank … Continue reading

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“French Courtesans and Their Jewelry” by Elyse Zorn Karlin

Famous French courtesans and their jewels. Continue reading

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The Bride and Groom – Mary Ehlers and Stephen Toth

Mary Ehlers and Stephen Toth Wedding September 26, 2020 Continue reading

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What’s New with the Smithsonian’s Gem Collection – by Dr. Jeffrey E. Post

On Wednesday May 6, 2020 7PM to 8:45PM Dr. Post highlighted the New Acquisitions and the jewelry that made it to the world’s greatest collection.  The Minerals and Gems Gallery features some 2,000 specimens grouped by shape, color, growth, and … Continue reading

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Turquoise Gemstone – By Zohreh Amini – Gemologist

Turquoise dates back well over 4000 years and was considered the “Jewel of the Orient”. Kusam Malhotra – DCGIA President (left) & Zohreh Amini – Gemologist (right) Turquoise was a treasured gem for Royalty of Europe, Ancient Egyptians and the Persian … Continue reading

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