Dr. John W. Valley, a member of the GIA Board of Governors since 2014, retired from the Board following their regular annual meeting held in early November in Carlsbad, CA.

The Board of Governors of GIA, the Gemological Institute of America, welcomed François Delage as its newest member on January 25, 2024.

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世界各地 GIA 校友會分會相關資訊。

GIA Diamond Focus^® Report is a cost-effective grading report delivering key grading information in a digital format for select natural, untreated D-to-Z diamonds weighing 0.15 to 0.29 carats.

Recognizing the outstanding talent of GIA jewelry design students from around the world globally

GIA's mission is to ensure the public trust. Institute leadership includes a board of governors, executive staff, and directors of laboratories and campuses worldwide.

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.

Join us at HKTDC Hong Kong to explore the latest from GIA, including instrument demonstrations, tools to support your business, education, on-site laboratory services, colored stone grading services, and more. Plus, don’t miss our Immersive Pearl Experience Corner at GIA’s main booth at HKCEC!

 2025 HKTDC

Join us at HKTDC Hong Kong to explore the latest from GIA, including instrument demonstrations, tools to support your business, education, on-site laboratory services, colored stone grading services, and more. Plus, don’t miss our Immersive Pearl Experience Corner at GIA’s main booth at HKCEC!

Identify a stunning variety of gemstones. Evaluate them by quality, rarity, and color. Study the most effective grading, buying, and selling techniques. A dazzling spectrum of opportunities awaits those who understand the colored stone marketplace.

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。

GIA 是一間非牟利的私立大專教育機構，旨在促進寶石學、珠寶製造藝術及相關學科的教育和研究。

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