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Lab Finds 3ct. Synthetic with Fake Report
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A grading laboratory in China has discovered a synthetic diamond masquerading as a natural stone, complete with a forged inscription and a falsified report.The National Gemstone Testing Center (NGTC) in the city of Shenzhen received a round-brilliant, 3.1-carat diamond ring,...
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Technology
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Apr 15, 2018
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Joshua Freedman
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Polished Markets
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May 18, 2015
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GECI
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GECI Lab Trumpets Grading, Customer Education Services
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Press Release: The world of gemstones is evolving as market challenges grow more complex for the jewelry industry. Such examples include new and improving treatments of natural diamonds and colored gemstones, along with substantial...
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Polished Markets
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Nov 13, 2014
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GECI
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Gubelin to Offer Off-Premise Testing
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The Gubelin Gem Lab will be providing off-premise gem testing services in New York from July 14 through July 24 at 589 Fifth Avenue, Suite 1205. Gubelin asks that those interested in using its services contact...
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Gemstones
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Jul 01, 2014
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Rapaport News
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Gemstones
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Aug 08, 2013
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AG&J
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M. Geller, Gemesis Partner on Distribution Deal
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Press Release: Loose diamond wholesaler M. Geller Ltd. announced that they have entered into an agreement as an authorized distributor for Gemesis, the world’s principle distributor of gem-quality colorless and fancy color lab-created diamonds. According...
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Marketing
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Aug 02, 2013
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M. Geller
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GIA Hong Kong Identifies 10 CVD Synthetic Diamonds
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The Gemological Institute of America (GIA) reported in its July issue of Gems & Gemology monthly eBrief that 10 synthetic diamonds grown by the chemical vapor deposition (CVD) were submitted to GIA Hong Kong in June. The...
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Gemstones
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Jul 11, 2012
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Jeff Miller
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GSI Opens a Diamond Grading Lab Inside BDB
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Gemological Science International (GSI) has set up a grading lab inside Mumbai’s Bharat Diamond Bourse (BDB), the largest diamond bourse in the world. The new GSI lab is located at EW1190 in the BDB with easy...
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Marketing
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May 22, 2012
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Jeff Miller
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HRD Completes Review, Cuts Ties With Three Firms
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HRD Antwerp's board of directors received the results of an internal review of the diamond laboratory following allegations of improprieties in March. Based upon the results of that review, the board determined that remedial actions taken by management...
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Financial-Legal
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Apr 27, 2012
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Jeff Miller
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GSI Opens in Antwerp
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Gemological Science International (GSI) opened a new laboratory in Antwerp, Belgium, making it the fourth GSI operation located in major diamond center. In addition to its headquarters in New York City, GSI has laboratories in Mumbai and Ramat...
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Technology
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Mar 27, 2012
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Jeff Miller
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SCIO Diamond Secures Patent in Canada
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SCIO Diamond Technology Corporation was issued its first Canadian patent (number 2511670), titled ''Tunable CVD Diamond Structures.'' The patent relates to single crystal diamond grown in layers, wherein the layers of diamond are...
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Financial-Legal
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Jan 09, 2012
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Jeff Miller
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GIA Plans to Open a Lab in Japan
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The Gemological Institute of America (GIA) plans to establish a laboratory in Japan in 2012, a decision that was reached following lengthy consultations with various Japanese stakeholders. In addition, a GIA facility in Israel is scheduled to open in 2012. Both initiatives...
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Marketing
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Dec 12, 2011
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Jeff Miller
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