Tiffany Stevens
GradingJun 11, 2025
Tiffany Stevens Exits IGI, Lab Appoints New Board Leader

Industry veteran Anoop Mehta is the new chairman and independent director of the IGI board.

Adobe Stock image of skyline of Bangkok, Thailand
GradingJun 02, 2025
GSI Opens New Lab in Thailand

Located in Bangkok, the laboratory is Gemological Science International’s 14th location worldwide.

GradingJun 03, 2025

The company has joined other labs, including GIA and Lotus Gemology, in adopting the Chinese term for "jadeite jade."

Latest in Grading

Pritesh Patel
GradingJun 23, 2025
GIA Names New President and CEO

Pritesh Patel, the lab’s chief operating officer, will take over as president and CEO of GIA.

GIA pearl report
GradingMay 23, 2025
GIA Updates Pearl Classification System

The lab has adjusted the scale it uses for nacre grading.

Avi Levy
GradingApr 22, 2025
Avi Levy Is GCAL By Sarine’s New Chief Growth Officer

GCAL by Sarine created the new role to sharpen the company’s focus on strategic partnerships and scalable expansion.

rio-article photo-diamond.jpg
Brought to you by
Taking the Moment Head On: How Rio Grande Champions the Present & Future of Fine Jewelry

As a leading global jewelry supplier, Rio Grande is rapidly expanding and developing new solutions to meet the needs of jewelers worldwide.

GIA logo
GradingApr 14, 2025
GIA Expands Overseas Services as Tariffs Kick In

GIA’s labs in Dubai and Hong Kong are now accepting larger diamonds in light of the “logistical challenges” presented by the new tariffs.

Weekly QuizJun 20, 2025
This Week’s Quiz
Test your jewelry news knowledge by answering these questions.
Take the Quiz
Susan Jacques
GradingJan 14, 2025
GIA CEO, President Susan Jacques to Retire at the End of 2025

The grading lab said the search for her successor is underway.

Henry A. Hänni
GradingJan 14, 2025
Former SSEF Director Henry A. Hänni Dies

A pioneering figure in gemology, he is remembered for his spirit of generosity, curiosity, and joy.

an instructor and a student in a bench jewelry classroom
Brought to you by
Investing in the Next Generation of Bench Jewelers

The Seymour & Evelyn Holtzman Bench Scholarship from Jewelers of America returns for a second year.

GIA emerald report
GradingDec 23, 2024
GIA Adds Filler Identification to Emerald Reports

Lab clients have the option to request this addition on their emerald reports.

GCAL 8X pear and marquise-cut diamonds
GradingDec 16, 2024
GCAL By Sarine Expands 8X to 2 More Fancy Shapes

The diamond cut grade is now available for marquise- and pear-shaped diamonds.

Grader looking into microscope at IGI lab
GradingDec 11, 2024
IGI Set to Go Public Next Week

In a CNBC interview, CEO Tehmasp Printer discussed the IPO in India and what declining lab-grown diamond prices mean for the company.

Craig Lynch
GradingDec 02, 2024
Jewelry Appraiser Craig Lynch Dies at 70

The industry veteran is remembered for his faith, his dedication to his family, his wealth of knowledge and his generosity in sharing it.

The Gemological Institute of America’s logo
GradingNov 12, 2024
GIA’s Next-Day Services Return for the Holidays

Offered by the lab since 2016, the holiday season special is good from now through mid-December.

Gemological Institute of America logo
GradingNov 06, 2024
GIA to Close Lab in Ramat Gan, Israel

The location will close by the end of the year due to it being financially unsustainable, GIA said.

Alan Hodgkinson
GradingOct 17, 2024
Renowned Gemologist and Author Alan Hodgkinson Dies at 87

He dedicated his life to researching, writing, and speaking about gemstones in the hope he could inspire others to share his passion.

20240917_GIA pearl header.jpg
GradingSep 17, 2024
GIA To Include Traceability Info on Some Cultured Pearl Reports

The lab will include reference numbers on reports for cultured pearls that contain bead nuclei embedded with an RFID tag.

Gübelin lab Bangkok
GradingSep 16, 2024
Gübelin Opens Lab in Bangkok

The company’s fourth location worldwide will focus on its AI-powered gem document, the Gem Passport.

Man at International Gemological Institute microscope
GradingAug 27, 2024
IGI Files for IPO in India

The gemological lab is looking to raise up to $477 million.

asteriated diamonds
GradingAug 13, 2024
Star-Shaped Inclusions Spotted in Diamonds

GIA recently examined two asteriated diamonds, weighing about 8 carats each, that it said were notable for their large size and preserved natural forms.

Gübelin academy
GradingJul 30, 2024
Gübelin Academy Bringing Colored Gemstone Course to NYC

Level 1 of its three-level diploma program is coming to its New York lab this September.

Tiffany Stevens
GradingJul 08, 2024
IGI Names Tiffany Stevens to Lead North American Business

Stevens, the former CEO of the Jewelers Vigilance Committee, will succeed Avi Levy.

Gübelin Gem passport
GradingJul 01, 2024
Gübelin Launches Lower-Cost, AI-Powered Gem Report

The Gem Passport is available for emeralds, rubies, and blue sapphires weighing up to 3 carats.

Gemological Institute of America logo
GradingJun 27, 2024
GIA Debuts Jewelry Report Service

The pilot program will provide grading information for diamond jewelry.

Warren H. Morss, Monica L. Caldwell, Mark T. Cartwright
GradingJun 21, 2024
ASA Elects New Gems and Jewelry Discipline Governor, Members-At-Large

Warren H. Morss is the new governor, while Monica L. Caldwell and Mark T. Cartwright are the members-at-large.

Charles & Colvard moissanite ring
GradingJun 12, 2024
IGI to Grade Charles & Colvard Moissanite

The partnership follows the launch of the jewelry company’s B2B moissanite platform.

Instappraise Trifold Brochure
GradingMay 14, 2024
Instappraise Adds Trifold Brochure to Appraisal Offerings

Retailers can customize and print the appraisal brochures from their store.

William Ruser: The Jeweler Who Charmed Hollywood book cover
GradingApr 23, 2024
GIA Has a New Book About William Ruser

Ruser was known for his figural jewelry with freshwater pearls and for his celebrity clientele.

Stay informed
Everyday

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

Subscribe
×

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