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Gubelin gemstone ratings
Colored Gemstones Get New Ratings System
Switzerland’s Gübelin Gem Lab has launched a scoring system for colored gemstones based on wine ratings, claiming
News Nov 24, 2020 Rapaport News
T Mark
Chow Tai Fook Unveils In-House AI Grading Report
Chow Tai Fook is launching its own diamond certificates based on artificial intelligence, using a new grading scale
News Nov 03, 2020 Rapaport News
GIA lab-grown diamond reports
GIA Unveils New Lab-Grown Reports
The Gemological Institute of America (GIA) has launched its new grading reports for lab-grown diamonds, offering
News Oct 15, 2020 Rapaport News
Polished diamonds
‘Grading’ Is Just for Natural Diamonds, Says CIBJO
Laboratories should reserve the term “grading report” for natural diamonds rather than lab-grown stones, the
News Oct 13, 2020 Rapaport News
Polished diamond in loupe
Diamond Grading Gets an International Standard
The International Standards Organization (ISO) has approved its first grading guidelines for polished diamonds in an effort
News Sep 24, 2020 Rapaport News
Sarine Files India Lawsuit 150
Sarine, Chinese Lab Debut Light-Performance Report
Sarine Technologies has partnered with China’s National Gemstone Testing Center (NGTC) to offer light-performance reports for
News Sep 16, 2020 Rapaport News
GIA podcast Aug 2020
GIA on Covid-19, Automation and Synthetics
The Gemological Institute of America is pressing ahead with projects that may transform diamond grading, CEO Susan
News Sep 10, 2020 Joshua Freedman
GIA dossiers
GIA Considers Shutting Antwerp Lab
The Gemological Institute of America (GIA) plans to close or heavily scale back its Antwerp operations following a review
News Aug 30, 2020 Rapaport News
JD.com
Chinese Online Giant to Offer Verified GIA Reports
Technology provider Everledger has teamed up with the Gemological Institute of America (GIA) to verify diamond grading reports
News Aug 26, 2020 Rapaport News
Gems and Gemology natural all diamond ring
Natural All-Diamond Ring Is a GIA First
A ring made entirely of natural diamond has become the first of its type to reach the Gemological Institute
News Aug 20, 2020 Rapaport News
Tiffany diamond engagement ring
Tiffany to Share Full Provenance of Its Diamonds
Tiffany & Co. will give consumers full details of each diamond’s route from mine to jewelry, encompassing
News Aug 19, 2020 Rapaport News
GIA grading
GIA to Give Full Color, Clarity Grades for Lab-Grown
The Gemological Institute of America (GIA) is launching a new digital report for lab-grown diamonds that will feature
News Aug 12, 2020 Rapaport News
Polished diamonds.
India Extends Deadline for Duty-Free Reimports
The Indian government has granted diamond companies extra time to ship polished goods back to the country
News Jul 12, 2020 Rapaport News
GIA Scholarships
GIA to Unlock New York Lab
The Gemological Institute of America (GIA) is reopening its New York grading laboratory Monday following a three-month shutdown
News Jun 25, 2020 Rapaport News
GIA report
GIA Reduces Services Across the World
The Gemological Institute of America (GIA) has closed most of its laboratories and educational centers due to the
News Mar 26, 2020 Rapaport News
Diamond Grading
Sarine Ushers In Era of In-Factory Grading
Sarine Technologies has launched a new platform enabling manufacturers to tap its automated grading systems and issue
News Mar 12, 2020 Avi Krawitz
HRD
Sarine Joins Race to Buy HRD Antwerp
Sarine Technologies has entered the running to acquire HRD Antwerp, according to two sources close to the sale
News Dec 03, 2019 Joshua Freedman
HRD Antwerp
HRD Antwerp Receives Two Takeover Bids
The International Gemological Institute (IGI) and industry veteran Peter Meeus have put in rival bids to acquire
News Nov 06, 2019 Joshua Freedman
Fake green rough diamond
GIA Exposes Rough Diamond with Fake Green Color
Manufacturers coated a rough diamond with a green substance to imitate a natural color, the Gemological Institute of America (GIA)
News Aug 19, 2019 Rapaport News
GIA color grading
GIA Cuts Prices 10% Amid Market Slowdown
The Gemological Institute of America (GIA) has temporarily reduced grading fees for certain smaller diamonds after
News Jul 16, 2019 Joshua Freedman
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