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.

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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.”

GradingMay 26, 2023

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.

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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.

Diamond industry inventory Zvi Yehuda
GradingMay 09, 2023
Zvi Yehuda, Inventor and Lifelong Learner, Dies at 86

Yehuda’s knack for invention became apparent at an early age, and his career spanned seven decades.

GradingMay 04, 2023
GIA Adds ‘Peacock’ Color Range Comment to Pearl Reports

The change comes following a year of research into how the trade determines what constitutes “peacock” color in pearls.

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Extraordinary Italian Jewelry at the 2023 Las Vegas Jewelry Shows

More than 130 Made in Italy Manufacturers will be exhibiting at JCK Las Vegas and Couture under the Extraordinary Italian Jewelry banner.

GradingApr 20, 2023
GIA Now Accepting Scholarship Applications for 2023

The application window for the merit-based scholarships will close May 15.

Weekly QuizMay 25, 2023
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GradingApr 10, 2023
GIA Is Going Back to Paper Reports

The lab made the decision to pull back on its all-digital migration after receiving complaints from clients across the supply chain.

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GradingMar 23, 2023
GCAL Introduces 8X Cut Grade for Proprietary Cuts

Patented and specialty cuts now can receive an 8X Proprietary Certificate, which can be customized to include a company’s brand and logo.

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The Next Step for GIA Diamond Reports

The most trusted diamond report, available in print or the GIA App.

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GradingFeb 14, 2023
GSI Appoints New Global EVP

Pinky Jalui, who has more than 20 years of experience in the industry, joins the lab as executive vice president of global business development.

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GradingJan 24, 2023
GIA Launches AGS Diamond Light Performance Supplement Report

The AGS Ideal Report by GIA is a digital-only addition to GIA diamond reports.

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GradingJan 17, 2023
IGI CEO Confirms Report of Potential Sale

The company that owns an 80 percent stake in the Antwerp-based lab reportedly believes it is worth more than $200 million.

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GradingJan 13, 2023
Sarine To Acquire Majority Stake in GCAL

The acquisition allows GCAL to expand overseas while giving Sarine a “recognized and respected” channel for offering eGrading in the U.S.

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GradingJan 06, 2023
GSI Adds Longtime IGI Executive to Team

Monika Biernacka is Gemological Science International’s new executive vice president of operations.

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GradingJan 05, 2023
GIA’s Migration to All-Digital Reports Has Begun

The lab issued a non-paper Diamond Dossier, the first of its reports to make the transition, earlier this week.

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GradingDec 21, 2022
IGI Now Issuing Reports for Moissanite From Roseco

The reports will state that IGI has verified the material as lab-grown moissanite and provide the stone’s weight and shape.

GradingDec 14, 2022
GIA Sees ‘Unusual’ Color Change in Sapphires During Stability Testing

Some sapphires gain orange or yellow coloration when exposed to incandescent light, according to a recent lab note.

GradingDec 13, 2022
GIA Has Enlisted Alan Revere to Revamp the Graduate Jeweler Program

Revere ran his own jewelry academy in San Francisco for 40 years.

GradingDec 01, 2022
PhotoScribe Granted Patent for Method that Verifies a Stone’s Identification

The secure mark combines an overt mark with a covert data set to provide assurance on a gem.

GradingNov 17, 2022
GIA Labs Report Receiving 2 Moissanites Submitted as Diamonds

The discoveries were outlined in the Lab Notes section of the fall 2022 issue of Gems & Gemology.

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GradingNov 17, 2022
Professor of Artificial Intelligence Among Additions to GIA Board of Governors

Lake Dai, who teaches at Carnegie Mellon University, joins the board alongside Rosy Blue Managing Director Russell Mehta.

GradingNov 14, 2022
GIA Kicks Off Complimentary Next-Day Services Promotion

The limited-time deal is being offered to help jewelers through the busy holiday season.

GradingNov 08, 2022
De Beers to Launch New Melee Screening Device

Set to roll out in early 2023, it will enable verification of up to 3,600 diamonds per hour for stones as small as 0.001 carats.

GradingOct 26, 2022
SSEF Introduces Automated Diamond Screener for Very Small Melee

Created with Swiss robotics company Unimec, the ASDI-500 can screen stones as small as 0.5 mm at a speed of 700 stones per hour.

GradingOct 21, 2022
Why AGS Is Closing Its Lab, Merging It With GIA

CEO Katherine Bodoh said the merger will allow AGS to focus on its “original vision” as a trade organization and grow Conclave.

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GradingOct 21, 2022
De Beers Promotes 4 Internally, Neil Ventura Exits

In addition, De Beers’ head of human resources is moving over to parent company Anglo American.

GradingOct 19, 2022
Facets of Fire Debuts Oval-Shaped Diamond

The new cut features the brand’s signature color and brilliance.

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GradingOct 13, 2022
GIA to Begin Digital Report Migration With Diamond Dossier

Paper versions of the Diamond Dossier, the lab’s most popular report, will no longer be produced beginning Jan. 2.

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


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