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.
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89 results for “Grading”
Supplier BulletinOct 30, 2025
Protect Your Customers and Your BusinessSponsored by the Gemological Institute of America
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.
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.
Supplier BulletinJul 03, 2025
Protect Your Customers and Your BusinessSponsored by the Gemological Institute of America
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.
Lab-GrownJun 04, 2025
GIA Reverting to More General Terminology for Lab-Grown DiamondsIt will quit assigning the stones specific color and clarity grades in favor of applying “new descriptive terminology.”
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.
Supplier BulletinMay 22, 2025
How to Put Natural Diamonds Back in the SpotlightSponsored by GCAL by Sarine
SourcingMay 19, 2025
State of Colored Stones: The Big Three in the Modern WorldSapphires, emeralds, and rubies are finding their place in a U.S. market captivated by the gemstones once referred to as “semi-precious.”
Supplier BulletinMay 08, 2025
Instappraise Introduces Game-Changing Trifold Appraisal FormatSponsored by Instappraise
SourcingApr 30, 2025
GemGuide Has a New Pricing Chart for Colombian EmeraldsIt includes pricing for unenhanced Colombian emeralds in the fine to extra fine range.
Supplier BulletinApr 24, 2025
Protect Your Customers and Your BusinessSponsored by the Gemological Institute of America
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.
GradingDec 23, 2024
GIA Adds Filler Identification to Emerald ReportsLab clients have the option to request this addition on their emerald reports.
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3 New Year’s Resolutions for Jewelry Lovers The new year feels like a clean slate, inspiring reflection, hope, and the motivation to become better versions of ourselves.
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.
GradingNov 12, 2024
GIA’s Next-Day Services Return for the HolidaysOffered by the lab since 2016, the holiday season special is good from now through mid-December.
GradingNov 06, 2024
GIA to Close Lab in Ramat Gan, IsraelThe location will close by the end of the year due to it being financially unsustainable, GIA said.
GradingSep 17, 2024
GIA To Include Traceability Info on Some Cultured Pearl ReportsThe lab will include reference numbers on reports for cultured pearls that contain bead nuclei embedded with an RFID tag.
