Gemology

GIA Showcases Red, White and Blue Gem Collection for US 250th Anniversary

GIA Showcases Red, White and Blue Gem Collection for US 250th Anniversary

diamond world news service

25 Jun 2026

2 min read

GIA Adds “Peacock” Colour Range Comment to All Pearl Reports

GIA Adds “Peacock” Colour Range Comment to All Pearl Reports

diamond world news service

03 May 2023

2 min read

GIA Library’s Exhibit on Mercury-Free Mining Wins Award

GIA Library’s Exhibit on Mercury-Free Mining Wins Award

diamond world news service

10 Mar 2023

1 min read

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