GradingOct 21, 2021
Via YouTube, ASA Advises Consumers to Visit Accredited Appraisers

In a new video posted to the popular site, ASA appraisers tout the importance of hiring a qualified expert.

GradingOct 14, 2021
Here Is the Winner of Gübelin’s 2021 Research Scholarship

Sebastian Schmidt will receive $30,000 toward his research project developing reference materials for gem corundum.

GradingOct 04, 2021

AIGS has added a report for “jedi” spinel that aims to set quality standards for the trade term.

Latest in Grading

GradingSep 23, 2021
Another Diamond With Fake GIA Inscription Surfaces

Graders at HRD Antwerp found this one, a HPHT-treated natural diamond inscribed with the report number of an untreated stone.

GradingSep 21, 2021
Application Period Open for 2022 GIA Scholarships

Prospective students can apply online now through Sept. 30.

GradingSep 14, 2021
Investigation Into Fraudulent GIA Reports Continues in India

The lab said “most” of the diamonds paired with reports stating they were natural and untreated are actually lab-grown or treated diamonds.

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Your Store Could Win a $5,000 Award from IGI

The Institute’s “Jewelers on a Mission” campaign is working to unite the industry.

GradingSep 07, 2021
AGS Labs Opens Lab-Grown Diamond Grading Reports to the Industry

The move comes after a year-long pilot program.

Weekly QuizOct 22, 2021
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GradingJul 23, 2021
Lead Glass-Filled Lab-Grown Ruby Submitted to GIA

Though it’s unclear why someone would treat the material in that way, it’s important gemologists know it exists, the lab said.

GradingJul 21, 2021
10 Questions with GSI President Debbie Azar

Azar shares her thoughts on the future of diamond detection, screening melee today, “bad actors,” and more.

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Buying a Diamond is More Than Knowing the 4C’s

Buyers may be excited about online diamond deals, but there are uncertainties surrounding the authenticity and clarity of the diamonds.

GradingJul 16, 2021
HB Antwerp Opens Diamond Training Academy

The HB Academy will offer classes for prospective specialists and jewelry retailers, and continuing education for its own employees.

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