Angola Expands Diamond Reach to GIA and Tiffany & Co. 

Country signs memorandum of understanding for future business.

GIA Examines Huge South Sea Cultured Pearl 

The silvery gem with creamy patches showed an internal growth structure filled with metal wires.

GIA Grades Synthetic Diamond with Blue Band 

Mumbai laboratory detects boron, which caused the color.

GIA Migrates Lab-Grown Terminology Away from That of Natural 

New description will no longer use color and clarity nomenclature.

GIA Introduces Paper Versions of AGS Ideal Reports

Move follows integration with AGS Laboratories in 2022.

AGTA Bans Lab-Grown Gemstones from Shows

Decision follows “disruptive” impact of synthetic diamonds on market, organization says.

Jewelers Mutual Launches $50K GIA Scholarship

Ron Harder grant will support education and development of future gemologists.

Diamond Source Certification

The advent of G7 Russian sanctions is driving the need to identify and certify the mined source of diamonds — a move that’s as much a commercial necessity as a legal requirement.

Science Can’t Determine Diamond Origin, Says Top GIA Fellow

Latest episode of GEMTalks features gemologist Dr. James Shigley.

GEMTalks Zooms In On Diamond Origin

GIA’s Dr. James Shigley will discuss challenges in this important field of science.

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