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The Gem Lab That Refuses to Grade Synthetics
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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...
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Polished Markets
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May 06, 2019
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Marie Chabrol
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GIA Spots Treatment Fraud with 6ct. Polished
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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...
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Polished Markets
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May 30, 2018
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Rapaport News
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India and China Labs Cooperate
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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...
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Technology
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Nov 27, 2017
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Rapaport News
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Labs Launch Credit Card-Sized Grading Reports
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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,...
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Polished Markets
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Oct 26, 2017
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Joshua Freedman
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Marketing
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Jul 10, 2015
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Jeff Miller
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Marketing
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Feb 11, 2015
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EGL Laboratories Eurogem
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Gemstones
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Nov 14, 2013
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CGL - GRS Gemlabs
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India Forms Committee to Tackle Undisclosed Lab Grown Diamonds
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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...
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Polished Markets
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Jul 16, 2012
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Dilipp S Nag
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Watch the Rapaport Diamond Certification Conference
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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...
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Polished Markets
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Jun 12, 2012
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Rapaport News
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AGL, GRS Collaborate on Descriptions for Lead-Glass Treated Rubies
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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...
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Gemstones
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Oct 03, 2011
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AGL
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AGSLab.com Gets a New Look, Features
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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...
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Technology
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Aug 31, 2011
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Jeff Miller
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HRD Antwerp Inaugurates Belgium HRD Association China
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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...
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Polished Markets
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Jun 15, 2010
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HRD Antwerp
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GILC Adopts Lead, Glass-Filled Ruby Disclosure
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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...
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Gemstones
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May 25, 2010
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Jeff Miller
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ImaGem’s Grader, Clarity Machines to Debut at JCK
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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...
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Technology
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May 11, 2010
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ImaGem
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MJSA Urges Specific Testing Standards for Cadmium
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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...
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Manufacturing
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May 11, 2010
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Jeff Miller
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New Ruby Treatment Not Classified as Composite
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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...
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Gemstones
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May 04, 2010
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American Gemological Labs
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Chopard, HRD Antwerp Join the RJC
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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...
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Retail
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Apr 15, 2010
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Responsible Jewellery Council
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IGI Launches in the Heart of the Diamond Industry
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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...
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Manufacturing
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Apr 15, 2010
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IGI
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Johannesburg GIA Lab Marks Two-Year Anniversary
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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...
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Manufacturing
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Mar 31, 2010
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GIA
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HRD Antwerp Renews ISO Accreditation
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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,...
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Polished Markets
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Mar 02, 2010
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HRD Antwerp
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