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Aurelien Delaunay
The Gem Lab That Refuses to Grade Synthetics
The French Gemmological Laboratory (LFG) is the oldest ofits kind in the world. Founded in 1929, it came into being after the arrival ofcultured pearls on the market prompted more than 300 pearl dealers from...
Polished Markets May 06, 2019 Marie Chabrol
GIA 150
GIA Spots Treatment Fraud with 6ct. Polished
The Gemological Institute of America (GIA) has uncovered atreated diamond carrying a false inscription that fraudsters had apparentlycreated to make the stone appear untreated. Swindlers appear to have carefully selected a grading reportfor an untreated diamond...
Polished Markets May 30, 2018 Rapaport News
NGTC GII collaboration
India and China Labs Cooperate
Two major gemological institutions in India and China haveagreed to increase their collaboration in an effort to strengthen trade betweenthe two markets. China’s state-run National Gem Testing Center (NGTC) hassigned a letter of cooperation with the Mumbai-based...
Technology Nov 27, 2017 Rapaport News
IGI diamond ID report
Labs Launch Credit Card-Sized Grading Reports
HRD Antwerp and the International Gemological Institute(IGI) have both released credit card-sized diamond reports, aiming to makegrading more efficient for traders. The two Antwerp-based laboratories unveiled the polished-diamondidentity cards this week,...
Polished Markets Oct 26, 2017 Joshua Freedman
AGS
AGS Selects Luxury Brand Group for Public Relations Services
American Gem Society (AGS) and AGS Laboratories appointed the Luxury Brand Group to serve its public relations and brand development needs. The Luxury Brand Group will work with AGS to build brand...
Marketing Jul 10, 2015 Jeff Miller
EGL
Press Release: EGL Laboratories Eurogem Responds to False Claims
Press Release: EGL Laboratories Eurogem (Israel) Ltd. denies claims that it is prohibited from issuing EGL certificates, as claimed earlier this week by the European Gemological Laboratory. The following is the response from the lab,...
Marketing Feb 11, 2015 EGL Laboratories Eurogem
synthetic
New Generation of Synthetic Blue Diamonds Reach the Market
Press Release: A distinctly new type of synthetic blue diamond from 0.25-carat to over 1.25 carats turned up in both the Bangkok and Hong Kong jewelry fairs in September 2013 along with pink, yellow and colorless...
Gemstones Nov 14, 2013 CGL - GRS Gemlabs
India Forms Committee to Tackle Undisclosed Lab Grown Diamonds
India’s various gems and jewelry industry associations have formed a committee to tackle the ‎issue of undisclosed lab-grown diamonds. The committee members are from the Gem & Jewellery Export Promotion Council (GJEPC), the ‎All India Gems and Jewellery Trade Federation (GJF), the Bharat...
Polished Markets Jul 16, 2012 Dilipp S Nag
diamond certification
Click to play
Watch the Rapaport Diamond Certification Conference
The following video (83 minutes) is the full version of the Rapaport Diamond Certification Conference, which was held during the JCK 2012 Vegas show on June 3. Discussions centered around diamond certification, the state...
Polished Markets Jun 12, 2012 Rapaport News
AGL, GRS Collaborate on Descriptions for Lead-Glass Treated Rubies
Press Release: Ever since the lead-glass treatment of ruby/corundum hit the market nearly 10 years ago, there have been issues over how to describe and represent this material for the trade and laboratories alike. GemResearch Swisslab (GRS) and American Gemological Laboratories (AGL) have...
Gemstones Oct 03, 2011 AGL
AGS Labs
AGSLab.com Gets a New Look, Features
The American Gem Society (AGS) Laboratories relaunched its website with a new look and added several new features designed to satisfy a growing online and social media savvy audience. One of the highlights includes...
Technology Aug 31, 2011 Jeff Miller
HRD Antwerp Inaugurates Belgium HRD Association China
Press Release: HRD Antwerp, the commercial subsidiary of the Antwerp Word Diamond Centre (AWDC), officially inaugurated the Belgium HRD Association China during the Antwerp Week in the Belgium-EU pavilion at the Shanghai World Expo 2010. The Belgium HRD Association China is a new, noncommercial trade...
Polished Markets Jun 15, 2010 HRD Antwerp
GILC Adopts Lead, Glass-Filled Ruby Disclosure
Members of the Gemstone Industry & Laboratory Conference's (GILC) ruby committee reached consensus on accepting a disclosure for lead, glass-filled ruby that reads "Composite-Ruby, Glass-Filled, Requires Special Care." The aim of this committee, formed during the recent GILC event held in Tucson, was to recommend disclosure...
Gemstones May 25, 2010 Jeff Miller
ImaGem’s Grader, Clarity Machines to Debut at JCK
Press Release: For the first time, ImaGem will present its Grader and Clarity machines to the diamond community at the JCK Vegas show to be held from June 4 to June 7, 2010. These specialized instruments, backed by a patented database system, provide accurate and repeatable grading. They are...
Technology May 11, 2010 ImaGem
MJSA Urges Specific Testing Standards for Cadmium
The Manufacturing Jewelers & Suppliers of America (MJSA) alerted its members about a third recall of children's jewelry containing high levels of cadmium. The voluntary recall, announced by the U.S. Consumer Product Safety Commission (CPSC) on May 10, involves 19,000 "Best Friends" charm bracelet sets made...
Manufacturing May 11, 2010 Jeff Miller
New Ruby Treatment Not Classified as Composite
Press Release: The American Gemological Laboratories (AGL) has concluded its initial investigations into a new ruby treatment that has been entering the market. During the past year, another new ruby treatment has been coming out of Thailand and is offering a low-cost alternative to more...
Gemstones May 04, 2010 American Gemological Labs
Chopard, HRD Antwerp Join the RJC
Press Release: The Responsible Jewellery Council (RJC) announced today that two international organizations headquartered in the European market have joined the Council’s membership. Chopard, one of the world's leading watch and jewelry brands, and HRD Antwerp, a well-known diamond laboratory, join more than...
Retail Apr 15, 2010 Responsible Jewellery Council
IGI Launches in the Heart of the Diamond Industry
Press Release: The International Gemological Institute (IGI), the world’s largest independent laboratory for testing and grading gemstones and fine jewelry and India’s only ISO/IEC 17025:2005 accredited laboratory, announced the launch of its state-of-the art facility on Varacha Road in Surat — the heart of the...
Manufacturing Apr 15, 2010 IGI
Johannesburg GIA Lab Marks Two-Year Anniversary
Press Release: The Gemological Institute of America’s (GIA) Laboratory in Johannesburg recently reached a milestone with its two-year anniversary. The lab, which opened in February 2008, has had a steadily increasing number of gemstones come in for grading each day. “Our intake has increased by nearly 200 percent...
Manufacturing Mar 31, 2010 GIA
HRD Antwerp Renews ISO Accreditation
Press Release — Antwerp, March 2, 2009:HRD Antwerp – Diamond Lab, the first ever diamond lab to be ISO-certified, had its ISO accreditation renewed.The renewal follows a comprehensive external audit of HRD Antwerp – Diamond Lab. The successful audit resulted in an extension of its ISO certificate for another five years,...
Polished Markets Mar 02, 2010 HRD Antwerp
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