GIA 創立了鑽石分級的科學方法，制定了 4C 標準和國際鑽石分級系統 (International Diamond Grading System™)，該等標準為全球珠寶專業人士所廣泛使用。因此，這裡是學習鑽石分級藝術和科學的理想之選。

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CARLSBAD, Calif. – March 28, 2019 – On April 30, GIA will introduce the GIA Diamond Origin Report service which will confirm the country of origin of polished diamonds.

The Gemological Institute of America (GIA) recently announced that Susan Jacques will step down as President and CEO of the GIA at the end of 2025. The institute has begun searching globally for a suitable successor.

GIA has announced that its president and CEO, Suzanne Jacques, will retire at the end of 2025. The institute has begun searching for her successor globally.

The GIA and the Gianmaria Buccellati Foundation recently presented the eighth annual Gianmaria Buccellati Foundation Jewelry Design Excellence Award to recognize outstanding GIA jewelry design students worldwide.

GIA is offering exclusive promotional pricing for GIA Jade Report services from Feb. 12 to March 31, 2024.

GIA offers scholarships during two application periods each year for its gemology, jewelry, and design programs, courses, and lab classes. Apply here during the scholarship period.

No matter where you are in the world, you can submit diamonds, colored stones and pearls directly to any GIA laboratory location and be assured of consistent quality and service.

Information about the GIA Alumni chapters around the world.