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.
Grading

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

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

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

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

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

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


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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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.

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.

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

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

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

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