41 leaders from every global gem and jewelry sector gathered recently for a transformative educational experience at the 2023 GIA Global Leadership Program at Harvard Business School (HBS)

“Understanding our impact on the environment, societies and communities in which we operate is integral to our important consumer protection mission,” said GIA President and CEO Susan Jacques, speaking about the launch of the first GIA sustainability report on Friday, June 2, at the JCK Las Vegas show.

The GIA laboratory in Ramat Gan, Israel, will end operations by the end of 2024 due to changes in the global diamond industry that resulted in significant declines in submissions from local clients over the last several years.

GIA’s first female gemologist and a pioneer in the industry.

翡翠の耐久性と、翡翠ジュエリーのお手入れ方法について学びましょう。

特に指定のない限り、すべてのクラスは英語で行われます。 GIAは第二言語（ESL）教育としての英語は提供していません。

Edward Gübelin博士によって集められたコレクションの中には、世界中の産地からの珍しい宝石が多数あります。

ファンシーカラーダイヤモンドがなぜこれほど人気なのか、その要因について学びましょう。