News

Advanced Search

Search Results

Headers Only 		   
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
GIA CVD
GIA Spots Natural-Synthetic Hybrid Diamond
The Gemological Institute of America (GIA) has discovered a synthetic layer that improved the weight and color
News May 20, 2019 Rapaport News
GIA mistaken
‘Lab-Grown’ Diamond Turns Out to Be Natural
A client of the Gemological Institute of America (GIA) wrongly submitted a natural diamond as a lab-grown stone, the organization said.
News Feb 06, 2019 Rapaport News
InternationalGemologicalInstitute_Lab
China’s Fosun Buys 80% of IGI
Chinese corporate giant Fosun has agreed to buy an 80% stake in the International Gemological Institute (IGI), the
News Sep 13, 2018 Rapaport News
GIA 150
Melee Parcel Contains Just One Natural Stone
The Gemological Institute of America (GIA) found just one natural diamond in a melee parcel containing more than
News Aug 16, 2018 Rapaport News
GIA 150
GIA Spots Treatment Fraud with 6ct. Polished
The Gemological Institute of America (GIA) has uncovered a treated diamond carrying a false inscription that fraudsters had
News May 30, 2018 Rapaport News
Sarine Clarity
Sarine Rolls Out First Grading Lab
Sarine Technologies will open its first technology lab in Israel in February, offering advanced, automated gem services,
News Jan 15, 2018 Rapaport News
GIA 150
GIA Unveils Plans for Labs in Surat and Antwerp
The Gemological Institute of America (GIA) will this year open a laboratory in Surat, and expand its operations
News Jan 09, 2018 Rapaport News
GIA synthetic inscription forgery
GIA Finds Synthetic Diamond with Forged Inscription
Fraudsters forged a Gemological Institute of America (GIA) inscription on a synthetic diamond to make it appear that the stone was
News Nov 13, 2017 Rapaport News
Polished diamond loupe
Groups Agree on Uniform Grading Terms
The World Jewellery Confederation (CIBJO) and the International Diamond Council (IDC) have decided to use the
News Nov 08, 2017 Rapaport News
Sarine Image
Enhancing Jewelers’ Brands Through Grading
There’s a perception about Sarine Technologies that its new CEO, David Block, is determined to change. “People used
News Nov 06, 2017 Avi Krawitz
IGI diamond ID report
Labs Launch Credit Card-Sized Grading Reports
HRD Antwerp and the International Gemological Institute (IGI) have both released credit card-sized diamond reports,
News Oct 26, 2017 Joshua Freedman
Soo Kee Love and Co IIDGR China
De Beers, Soo Kee Extend Grading Deal
The International Institute of Diamond Grading & Research (IIDGR) has expanded its grading partnership with Singapore-based
News Sep 17, 2017 Rapaport News
Jonathan Kendall IIDGR
De Beers: Making the Grade
Since earlier this year, De Beers’ gemological unit has been partnering with Asian retailers to offer its
News Sep 07, 2017 Joshua Freedman
Sarine Clarity
Sarine Ventures into Diamond Grading
Sarine Technologies is expanding its signature diamond report to include the 4Cs, which it will determine through its
News Aug 28, 2017 Rapaport News
Stephen Lussier De Beers Forevermark
De Beers Broadens Lussier’s Branding Role
De Beers’ top marketing boss has taken on an expanded role now that the miner has acquired its
News Aug 07, 2017 Joshua Freedman
Sarine Clarity
Sarine Claims Superior Accuracy for Grading Tools
Sarine Technologies’ new automated color- and clarity-grading systems are yielding more reliable results than manual
News Jul 31, 2017 Joshua Freedman
IGI Lab
IGI to Launch Associations in Italy
The International Gemological Institute (IGI) will unveil two new organizations at a jewelry workshop it’s running in Italy
News Jun 13, 2017 Rapaport News
I Primo Japan
De Beers Inks Japan Retail Grading Deal
The International Institute of Diamond Grading & Research (IIDGR) has partnered with Japanese bridal-jewelry retailer I-PRIMO
News Jun 12, 2017 Rapaport News
Previous 1 Next
Show articles per page
Weekly Market Comment

Low expectations for next week’s Hong Kong show, with
Rapaport Reports

Magazine
Brokering success

At 103, Leonard Levenson may have officially retired from the
MOST VIEWED
© Copyright 1978-2019 by Martin Rapaport. All rights reserved. Index®, RapNet®, Rapaport®, PriceGrid™, Diamonds.Net™, and JNS®; are TradeMarks of Martin Rapaport.
While the information presented is from sources we believe reliable, we do not guarantee the accuracy or validity of any information presented by Rapaport or the views expressed by users of our internet service.