GIA logo
GradingFeb 08, 2024
GIA Helps Recover Stolen Diamonds

The lab identified the stones when an uninvolved diamond dealer sent them in for grading.

François Delage GIA board
GradingJan 31, 2024
Former De Beers Exec François Delage Joins GIA Board 

He brings more than three decades of experience in global luxury, fashion, and jewelry retail.

GradingJan 10, 2024

The facility is located in Sarine’s office building in Surat.

Latest in Grading

GIA logo
GradingFeb 14, 2024
GIA Offering Discounts on Jade Reports

The 20 percent off promotion will run through March 31.

GIA microscope
GradingJan 26, 2024
GIA to Demo New Microscope in Tucson

Discounts are available on pre-orders made through the end of AGTA GemFair.

Diamond grading lab
GradingJan 11, 2024
GIA, IGI Introduce Same-Day Service Amid Reports of Fraud

The labs will verify if a diamond is lab-grown or natural in less than 24 hours.

Brought to you by
The Scalable, Professional, and Effortless Solution for High-Demand Custom Jewelry Retailers

Ho Brothers offers scalable solutions for the future of custom jewelry.

GIA logo
GradingDec 28, 2023
GIA Announces Enhanced Jade Report

The improved report includes additional information and a new layout.

Weekly QuizFeb 15, 2024
This Week’s Quiz
Test your jewelry news knowledge with this short test.
Take the Quiz
International Gemological Institute grading report
GradingDec 27, 2023
Lavalier Partners with IGI to Offer Customer Discounts, Education

Customers with an IGI report can receive up to 10 percent off and access to educational content.

Jeffrey Post
GradingDec 11, 2023
Smithsonian’s Jeffrey Post to Receive 2023 Bonanno Award

Post is being honored for nearly four decades of contributions he made within the Department of Mineral Sciences at the museum.

GIA id100
Brought to you by
Full Disclosure at Your Fingertips

Distinguishing natural diamonds from laboratory-grown stones – now more available than ever – has been difficult for jewelers. Until now.

GIA logo
GradingDec 06, 2023
GIA Debuts Revamped Graduate Jeweler Program

By mixing creative and practical skills, the new course hopes to fill the industry’s bench jeweler gap.

GIA Dr. John W. Valley
GradingNov 27, 2023
Dr. John W. Valley Retires from GIA Board of Governors

To honor his legacy, GIA has set up a scholarship in his name.

Gemological Institute of America logo
GradingNov 16, 2023
GIA to Offer Next-Day Services for the Holidays

The lab is tightening the turnaround time on certain diamond grading reports for what normally is the industry’s busy season.

Anna Martin, GIA’s senior vice president for institute and industry relations
GradingNov 16, 2023
Anna Martin Is Retiring From GIA

She will step down from her position as senior vice president of institute and industry relations at the end of the year.

Ruby filled with zinc glass
GradingNov 15, 2023
GIA Examines Ruby Filled With Zinc Glass

It’s the first time the lab has encountered this type of treatment.

GIA logo
GradingSep 21, 2023
Retailers Warned About Fraudulent Email Purportedly From GIA

The lab confirmed it did not send the message.

Navneet Gems and Minerals portrait-cut ruby
GradingSep 20, 2023
Navneet Gems Introduces Portrait-Cut Rubies

The geometric collection is on view now at the Jewellery & Gem World Hong Kong Show.

Fuli Gemstones Fuli Cut
GradingSep 19, 2023
Fuli Gemstones Unveils New Peridot Cut

The ‘Fuli Cut’ is based on an antique cushion.

GIA logo
GradingSep 13, 2023
GIA Now Accepting Scholarship Applications for 2024

The application window for the merit-based scholarships will close Sept. 30.

Hanadama Pearl strands
GradingSep 07, 2023
GIA Adds ‘Hanadama’ Quality Range Comment to Pearl Reports

The historic trade term is used to distinguish cultured Akoya pearls of a certain quality.

Gemological Institute of America logo
GradingSep 06, 2023
GIA to Lay Off About 20% of Workforce at Carlsbad HQ

The Gemological Institute of America is letting go of 151 people, 100 of whom work in the lab in some capacity.

Fake Gem-A Certificate and solitaire ring
GradingAug 23, 2023
Gem-A Issues Warning About Bizarre Jewelry Mail Scam

People in the U.K. and Europe have been unexpectedly receiving rings in the mail accompanied by fake Gem-A certificates.

The International Gemological Institute Jeni Campagna
GradingAug 09, 2023
IGI Names New Director of Operations, Business Development

Luxury executive Jeni Campagna will take on the role.

Roland Lorie and Tehmasp Printer
GradingAug 07, 2023
IGI CEO Roland Lorie to Step Down This Fall

Tehmasp Printer will take over as global CEO of the lab, which is now owned by a private equity firm.

Gübelin Gem Museum in Lucerne, Switzerland
GradingJul 07, 2023
Gübelin Opens Colored Gemstone Museum in Switzerland

The exhibits offer a look into stone creation and origin, as well as Gübelin family history.

Historic and modern photos of diamond grading GIA
GradingMay 26, 2023
State of the Diamond Industry: AI and the Future of Diamond Grading

Gemologists have long used machines in diamond grading but technology has made it possible for them to “learn” how to do it on their own.

An International Gemological Institute diamond report
GradingMay 22, 2023
Blackstone Officially Inks Deal to Acquire IGI

Blackstone is buying the 80 percent stake in the lab owned by a Chinese company as well as the 20 percent held by the Lorie family.

An International Gemological Institute diamond grading report
GradingMay 19, 2023
Report: Blackstone to Buy IGI for Up to $550M

The deal could be signed as early as this weekend, according to a report by The Economic Times.

20230511_Sarine GCAL closes.jpg
GradingMay 11, 2023
Sarine Completes Acquisition of Majority Stake in GCAL

The new corporation, GCAL USA LLC, will be part of the Sarine Group and its grading reports will read “GCAL by Sarine.”

Stay informed

From market analysis to emerging jewelry trends, National Jeweler’s Daily Newsletter covers the most important industry news of the day.


This site uses cookies to give you the best online experience. By continuing to use & browse this site, we assume you agree to our Privacy Policy