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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
Susan Jacques
GIA Launches Synthetics Detector for Jewelry
The Gemological Institute of America (GIA) has unveiled anew machine for identifying synthetic diamonds, including stones that have beenmounted in jewelry.Using advanced spectroscopic technology, the machine canpinpoint natural, untreated diamonds above approximately...
Technology Apr 18, 2017 Rapaport News
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