GradingMar 06, 2026
Tom Moses Leaving GIA After Nearly 50 YearsMoses, who started at GIA’s Santa Monica lab in 1976, will leave the Gemological Institute of America in May.
Grading
Keep up with the latest from the jewelry industry’s top laboratories
GradingFeb 17, 2026
Dr. George Rossman, Former GIA Governor, Dies at 81Rossman, who advised GIA for more than 50 years, is remembered for his passion and dedication to the field of gemology.
GradingFeb 02, 2026
IGI is buying the colored gemstone grading laboratory through IGI USA, and AGL will continue to operate as its own brand.
Latest in Grading
GradingApr 07, 2026
GIA CFO David Tearle to Retire in June John Cowley, who has more than 30 years of experience, is succeeding Tearle as the lab’s chief financial officer.
GradingApr 02, 2026
GIA Debuts New Campus in TaiwanIt is the only GIA school to offer the GIA Graduate Gemologist program in Chinese.
GradingMar 25, 2026
New York’s Natural History Museum, Wiley To Build Minerals DatabaseWiley said the project will give scientists worldwide access to the American Museum of Natural’s History renowned mineral collection.
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GradingJan 26, 2026
DCA Updates Colored Gemstone CourseThe new features include interactive flashcards and scenario-based roleplay with AI tools.
Weekly QuizApr 02, 2026
This Week’s QuizTest your jewelry news knowledge by answering these questions.
GradingJan 12, 2026
Peter Yantzer, Former Executive Director of AGS Labs, Dies at 77 Yantzer is remembered for the profound influence he had on diamond cut grading as well as his contagious smile and quick wit.
GradingDec 17, 2025
SSEF Announces 2025 Scholarship WinnersTwo awardees will receive free tuition for an educational course at the Swiss lab, with flights and lodging included.
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Protect Your Customers and Your BusinessYou deserve to know what you are selling–to protect your customers as well as your business and your reputation.
GradingDec 11, 2025
GIA to Offer Origin Determination for 3 More GemstonesStarting Jan. 1, customers can request the service for opal, peridot, and demantoid garnet.
GradingNov 20, 2025
Julia Griffith Joins SSEF as Head of EducationShe previously taught at Gem-A and is the founder of The Gem Academy.
GradingNov 17, 2025
IGI Announces New President of North AmericaTiffany & Co. veteran Jeffrey Bennett has stepped into the role.
GradingNov 12, 2025
It’s Time: GIA’s Express Holiday Service Is Back GIA is offering next-day services for natural, colorless diamonds submitted to its labs in New York and Carlsbad.
GradingOct 24, 2025
DMIA to Hold Diamond Testing Instrument DemoThe workshop will give attendees the chance to try out and ask questions about three different diamond verification instruments.
GradingOct 21, 2025
GIA Examines Rare Bicolor Pink DiamondThe stone’s two zones, one pink and one colorless, may have formed at two different times, the lab said.
GradingOct 06, 2025
GIA India Names Former De Beers Exec as New Managing DirectorAmit Pratihari was previously the managing director of De Beers India and Forevermark India.
GradingOct 03, 2025
Grading Lab HRD Antwerp Names New CEODiamond industry banking veteran Paul De Wachter will take on the role in January 2026.
GradingAug 28, 2025
GIA’s New ‘Quality Assessment’ for Lab-Grown Diamonds Is Coming It will classify lab-grown stones into one of two categories, “premium” or “standard,” in lieu of giving specific color and clarity grades.
GradingAug 22, 2025
Former Head of GIA India Promoted to Oversee Global Operations Sriram “Ram” Natarajan is now GIA’s senior vice president of laboratory operations and is based out of the lab’s headquarters in Carlsbad.
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.
GradingJun 11, 2025
Tiffany Stevens Exits IGI, Lab Appoints New Board LeaderIndustry veteran Anoop Mehta is the new chairman and independent director of the IGI board.
GradingJun 03, 2025
Mason-Kay Jade Adds ‘Fei Cui’ to Jade ReportsThe company has joined other labs, including GIA and Lotus Gemology, in adopting the Chinese term for "jadeite jade."
GradingJun 02, 2025
GSI Opens New Lab in Thailand Located in Bangkok, the laboratory is Gemological Science International’s 14th location worldwide.
GradingMay 23, 2025
GIA Updates Pearl Classification SystemThe lab has adjusted the scale it uses for nacre grading.
GradingApr 22, 2025
Avi Levy Is GCAL By Sarine’s New Chief Growth OfficerGCAL by Sarine created the new role to sharpen the company’s focus on strategic partnerships and scalable expansion.
GradingApr 14, 2025
GIA Expands Overseas Services as Tariffs Kick InGIA’s labs in Dubai and Hong Kong are now accepting larger diamonds in light of the “logistical challenges” presented by the new tariffs.
GradingJan 14, 2025
GIA CEO, President Susan Jacques to Retire at the End of 2025The grading lab said the search for her successor is underway.
GradingJan 14, 2025
Former SSEF Director Henry A. Hänni DiesA pioneering figure in gemology, he is remembered for his spirit of generosity, curiosity, and joy.
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