Gemological Science International (GSI) has identified undisclosed lab-grown diamonds (LGDs) embedded within jewellery pieces featuring natural brown diamonds — a segment currently seeing growing demand for its warm, earthy appeal and affordability. The detection was made through a series of sophisticated analytical techniques, including Fourier Transform Infrared Spectroscopy (FTIR), DiamondView imaging, and Raman spectroscopy conducted […]
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]]>Gemological Science International (GSI) has launched a platform B2B GSI Stock Exchange, which offers both natural and lab-grown diamonds to aid jewellery manufacturers in sourcing goods. The platform offers not only loose diamonds but also specific products like matched pairs. Debbie Azar, President and Co-Founder of GSI. “At GSI, we are always looking for innovative […]
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]]>18 January 2023(Mumbai, India): Gemological Science International (GSI), one of the largest gemological organizations in the world and a global leader in diamond and jewelry certification, announced today that Nootan Thawai has been named Director of Production and Services for the organization. Ms Thawai, who joined GSI in 2011, has held several positions within GSI […]
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]]>Tests on a lab grown diamond revealed an unexpected orange phosphorescence, a possible consequence of defects internal crystal plane. The CVD-produced 1.547 carat, emerald cut H / VS1 stone was submitted to the Gemological Science International (GSI) Lab in Mumbai for post growth treatment identification. Most CVD (Chemical Vapor Deposition) diamonds show an orange, red, […]
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]]>With over 25 years of jewelry manufacturing and certification experience, Ramit Kapur will lead the expansion of GSI services in India and beyond. New York, NY. September 27, 2022. Gemological Science International (GSI), one of the largest gemological organizations in the world and a global leader in diamond and jewelry certification, announced today that Mr. […]
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]]>Authors: Deepa Srinivasa, Dr. Ramchandra Patil, Bharanidharan K, Prathamesh Bare Lab Grown Diamonds have gained increased popularity in recent times. Today’s cutting-edge technology has made it possible to replicate a diamond’s natural growth in highly controlled environments. The result has been the production of lab grown diamond in a few days, or weeks, with minimum […]
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]]>Gemological Science International (GSI) has introduced a new grading report for lab-grown diamonds. The new report, LGX Complete, which is the most comprehensive grading report available on the market today for lab-grown diamonds, is for stones that do not have any post growth treatments or enhancements. The report will say if lab-grown diamond has been […]
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]]>The leading finance publication spoke with Azar about her thoughts on a strong month for the diamond retail sales Debbie Azar, President and Co-Founder of Gemological Science International (GSI), was interviewed by leading financial markets publication The Street on Tuesday, July 16, 2019 to comment on strong retail results in the diamond and gem industries. […]
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]]>Gemological Science International (GSI), the New York headquartered, global gemological organization and a leader in diamond identification and screening, recently identified synthetic white sapphire melee in jewelry. The synthetic sapphires were detected during a routine jewelry screening procedure. GSI’s New York Screening and Testing Department received diamond pendants for screening and found the “diamonds” to […]
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]]>GSI is opening labs in the heart of New York City’s 47th Street ‘Diamond District’ and in Hong Kong. The New York facility will be dedicated solely to screening and testing of diamond jewelry for undisclosed lab grown diamonds. “Demand for screening and testing services has grown exponentially as the industry faces one of its […]
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