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Walter William Hanneman
Gemologist Walter William Hanneman Dies at 93
Walter William Hanneman, a gemologist, author and instrument maker, died on December 12 at the age of 93, his family announced this week.Born in 1927 in Oak Park, Illinois, he entered the world of gems and minerals thanks to his...
Polished Markets Jan 06, 2021 Rapaport News
China standardization
Asian Groups Seek to Standardize Region’s Trade
Four of Asia’s industry groups have agreed to work together on standardizing language and rules for the diamond trade. The National Gemstone Testing Center (NGTC), the Gem andJewelry Institute of Thailand (GIT), the Gemmological...
Polished Markets Mar 07, 2019 Rapaport News
Fancy color diamonds
Insider Tips, Advice on Natural Fancy Color Diamonds on May 30
Press Release: Natural fancy color diamonds have been capturing consumer attention for the past few years, providing increased sales and profits for savvy buyers. Yet there are still many opportunities...
Gemstones May 10, 2013 AGA
AGA to Recognize Fritsch and Keller With Top Awards in Tucson
Press Release: Dr. Emmanuel Fritsch will receive the prestigious Antonio C. Bonanno Award for Excellence in Gemology and Alice Keller, the editor-in-chief emeritus of Gems & Gemology will receive the Accredited Gemologists Association's...
Gemstones Jan 09, 2013 AGA
Gem-A to Recognize Two Distinguished AGA Members in Tucson
Press Release: The Accredited Gemologists Association (AGA) is pleased to announce that renowned author, lecturer and consultant Antoinette Matlins and publisher Richard Drucker, the president of Gemworld International Inc., were elected to fellowship at the Gemmological Association of Great Britain (Gem-A). The presentations were made in London’s...
Research Dec 12, 2012 AGA
AGA Extends Registration for Future of Diamonds Panel to May 23
Press Release: Is the world of diamonds as you've known it about to change forever? It might change in ways that we have never envisioned, and this conference is going to be the first to address issues no one else has dared to discuss...
Gemstones May 21, 2012 AGA
Dominic Mok to Address AGA Tucson
Press Release: All the way from Hong Kong—the jadeite evaluation capital of the global market— comes jadeite expert Dominic Mok to address the Accredited Gemologist Association’s (AGA) Tucson 2012 conference. Come and...
Gemstones Jan 06, 2012 AGA
AGA Announces Award Winner
The Accredited Gemologists Association (AGA) announced that Stuart Robinson was awarded the 2011 Antonio C. Bonanno Award for Excellence in Gemology. He will receive the accolade at the conclusion of the group's Tucson, Arizona, conference on February 2. Robinson is one of the world’s leading researchers and gemstone pricing...
Gemstones Nov 17, 2010 Denise Romano
AGA Election Results
The Accredited Gemologists Association (AGA) announced their new board of directors for the 2011 to 2013 term. Donna Hawrelko was re-elected for a second term as president, Kathryn Bonanno was re-elected for a second term for vice president, Teri Brossmer was elected to secretary and Monica...
Manufacturing Oct 04, 2010 Denise Romano
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