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Category Archives: Meeting Archives
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
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
Long-term Trends in the Jewelry Industry
Marlene shared her experiences learning the do’s and don’ts, up’s and down’s, ins and outs of becoming a jewelry design entrepreneur. As well as discussing the long-term trends she sees in the jewelry industry. Marlene was not talking: Fashion-Fads-What’s Hot-This … Continue reading
The World’s Opals – Speaker Travis Lejman, F.G.A, G.G
Renowned New York City’s jewelry appraiser and gemologist Travis Lejman shared his favorite colored gemstone, Opal, with DCGIA members. Travis has continued Dr. Paul Downing’s work in opal grading and has presented past workshops with the NAJA on opals. Travis discussed … Continue reading
Sight ID without a Lab at Your Fingertips Presented by Stacey J. Trolly
On Thursday May 16th, DCGIA members had the pleasure of sharing the evening with Stacey. Stacy discussed ways to recognize common gemstone treatments to both natural and synthetic gemstones. This information is helpful when you are in a bind and … Continue reading
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Tagged full disclosure, gemstoneidentification, jewelry, Ruby
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In Memory of Lois Berger, GIA GG
Lois Berger was always ready to share her knowledge of pearl industry news, and her love of pearls to DCGIA Members or anyone else who asked. She was an annual speaker for the DCGIA Tucson Panel, sharing the latest types … Continue reading
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Jewelry Design – The Pleasure and Pitfalls by Mary Ehlers
Mary Ehlers gave DCGIA members a wonderful talk on her designs and client interactions over her storied career. She works with individual clients (by appointment) who are interested in having a custom design created for them, or with clients who … Continue reading
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