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Experience the world of gemology in person with GIA at Couture and JCK Las Vegas.

Anna Martin, GIA’s senior vice president of Institute and industry relations, will retire from GIA on December 31, 2023, after a very successful nine years with the Institute, 14 years on the GIA Board of Governors and more than 40 years as one of the most well-known and respected leaders in the gem and jewelry industry.

In July 2025, staff from GIA, including GIA Executive Vice President and Chief Research and Laboratory Officer Tom Moses and Vice President of Research and Development Dr. Wuyi Wang, examined a rough diamond weighing 2,488.32 carats

Young students anywhere in the world can now experience the wonder of gems and minerals with GemKit™ by GemKids®, an online treasure trove of information and activities from GIA®, the Gemological Institute of America, the 90-year-old global leader in gem and jewelry education.

（GIA は、2024年に、グラジュエート・ジュエラー・ディプロマ・プログラムをリニューアルして開始します。

（GIA は、2024年に、グラジュエート・ジュエラー・ディプロマ・プログラムをリニューアルして開始します。

As consumer and government demand increases for credible country-of-origin information for polished diamonds, GIA, whose mission is to protect consumers and ensure their trust in gems and jewelry, supports all workable solutions that will provide that vital information.

Scientists at the GIA laboratory in New York City recently discovered spinel treated by nickel diffusion in a parcel of gems acquired for research purposes by the GIA research team in Bangkok.

GIA will return to producing printed GIA Diamond Dossier reports beginning April 9.

 宝石・ジュエリー業界をリードする2つのイベントが、2025年9月に集結します