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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
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
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
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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Tagged gemology, gems, Gemstones, Richard W Wise, Secretes of the Gem Trade
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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
“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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Tagged dcgia, gemologist, gemology, Gemstones, jewelry, John Dyer
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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
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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Tagged Collector, gem, gemology, gems, Gemstones, Joel Arem
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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
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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Tagged Colombian Emeralds, Fred Ward, Gemstones, Jade, Opals, Pearls, Phenomenal Gems, Rubies, Sapphires
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