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Appraisal Associations

宝石や宝飾品を評価してもらうプロフェッショナルを探すために役立つ連絡先情報

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GIA GemKit Brings Gem Science to Any Classroom

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.

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Pritesh Patel Named GIA President and Chief Executive Officer

The Board of Governors of GIA has named Pritesh Patel, currently GIA’s Chief Operating Officer, as the Institute’s President and Chief Executive Officer

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GIA Launches Innovative Graduate Jeweler Program in 2024

(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。

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Susan Jacques to Retire as GIA President and CEO

GIA has announced the planned retirement of its president and CEO, Susan Jacques, at the end of 2025. The Institute has begun a global search for a successor.

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Registration Now Open for Converge 2025: A Historic Collaboration Between GIA and AGS

Registration for Converge, the singular gem and jewelry event combining the unique expertise of the American Gem Society (AGS) and the Gemological Institute of America (GIA), is now open.

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GIA to Use New Descriptive Terminology for Laboratory-Grown Diamonds

Beginning later this year, GIA will start using descriptive terms to characterize the quality of laboratory-grown diamonds

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

GIA is adding a report comment employing the trade color term “Peacock” for designated colors of cultured pearls from the Pinctada margaritifera black-lipped pearl oyster, commonly known as Tahitian pearls.

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GIA Evaluates Solid Laboratory-Grown Diamond Ring

GIA, the leading institute for research into diamonds, colored stones and pearls, recently evaluated a diamond ring cut from a single laboratory-grown diamond.

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GIA CEO Susan Jacques Honored by Jewelers Vigilance Committee

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GIA Brings Exciting Lineup to Las Vegas Shows!

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

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GIA Temporarily Expands Scope of Laboratory Services in Dubai and Hong Kong

GIA will temporarily expand services offered by the GIA Laboratories DMCC and the GIA Hong Kong laboratory.

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