Tag Archives: Gemstones

Jade & Pseudo-Jade

Eric Hoffman’s presentation reviews the characteristics of true jade, both nephrite and jadeite, and then focus on the many look-a-likes, treatments, and alterations.  Few gemstones are imitated as often and as deceptively as jade.  He will explain a few simple … Continue reading

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AFGHANISTAN GEMSTONE INDUSTRY –

THE CALM BEFORE THE STORM – By Gary Bowersox Gary Bowersox shared his 50 years of gem-related exploration activities in Afghanistan with DCGIA members. Visiting emerald, ruby, aquamarine, kunzite, morganite, tourmaline, lapis and other gemstone mines throughout Afghanistan. Throughout history, … Continue reading

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Diamonds of the Forbidden Zone – By Denise Nelson G.G. GIA

Denise shares her once-in-a lifetime experience, a first-hand look at the diamond mines along the infamous Namibian Skeleton Coast of Africa. The extraordinary process of finding the world’s most precious gems, in this arid landscape, is revealed, along with a … Continue reading

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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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“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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2017 DCGIA Honor Roll of Donors

On behalf of the GIA Alumni & Associates of Washington, D.C. (DCGIA), I would like to thank you all for your generous support and donation(s) to our annual Holiday Auction and Dinner. Continue reading

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From Collector to Commercial – Presented by Dr. Joel E. Arem

Dr. Joel Arem took the DCGIA members on a journey to the “future of the gem industry” in the global marketplace. EVERY gem was once a “collector” stone because only royalty could own them, and a ‘mass market’ did not exist for centuries. … Continue reading

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The Art of Gem Cutting by Thomas Trozzo

DCGIA Thanks Tom Trozzo for sharing a wealth of information and his award winning gemstones with our members and guests. Continue reading

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In Memory of Frederick N. Ward GG (GIA)

RIP – July 16, 1935 – July 19, 2016     Fred was a loyal DCGIA member, prolific photographer, author and great friend to us all! Some of you may remember Fred as a world-renowned photographer, author, gem dealer, gemologist and a … Continue reading

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