De Beers Diamond View Zoom machine with monitor
GradingOct 24, 2025
DMIA to Hold Diamond Testing Instrument Demo

The workshop will give attendees the chance to try out and ask questions about three different diamond verification instruments.

Amit Pratihari GIA India
GradingOct 06, 2025
GIA India Names Former De Beers Exec as New Managing Director

Amit Pratihari was previously the managing director of De Beers India and Forevermark India.

GradingOct 21, 2025

The stone’s two zones, one pink and one colorless, may have formed at two different times, the lab said.

Latest in Grading

HRD Antwerp CEO Paul De Wachter
GradingOct 03, 2025
Grading Lab HRD Antwerp Names New CEO

Diamond industry banking veteran Paul De Wachter will take on the role in January 2026.

GIA’s new report for lab-grown diamonds
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.

Sriram “Ram” Natarajan
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.

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Jewelers of America Aligns New Mission to Create Meaningful Impact for Members

From educational programs, advocacy, and recent MJSA affiliation, Jewelers of America drives progress that elevates businesses of all sizes.

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.

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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.

Mason Kay Jade necklace
GradingJun 03, 2025
Mason-Kay Jade Adds ‘Fei Cui’ to Jade Reports

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

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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.

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.

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.

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.

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.

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