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GIA® in Dubai
GIA® Laboratory FZCO is located in the important global diamond center of Dubai and will provide diamond services with limited capacity.
GIA Show Service Laboratory
GIAはダイヤモンドグレーディングや宝石鑑別において、世界で最も信頼されています。GIAショーサービスラボは、イベント会場での出張ラボです。
How GIA Identifies and Classifies Pearls
ダイヤモンドグレーディングにおける世界でも第一人者としての認識が最も高いGIAは, 1949年以来, 自然真珠や養殖真珠の鑑別と分類においても業界のリーダーであります。
Reserve Your GIA Museum Tour Experience
Reserve your guided museum tour today at GIA and enjoy a unique immersive experience!
Reserve Your GIA Museum Tour Experience
Reserve your guided museum tour today at GIA and enjoy a unique immersive experience!
program-jewelry-design-technology
Prepare for a career in jewelry design and technology at GIA. Learn how to design jewelry from concept and bring it to life with advanced CAD/CAM technology.
The Talisman of Charlemagne: New Historical and Gemological Discoveries
Reveals new details about this historical jewel and the results of its first gemological analysis.
Winter 2014 G&G Publication Info
This document provides the publication information for Gems & Gemology
From Single Source to Global Free Market: The Transformation of the Cultured Pearl Industry
Over the past 15 years a combination of market forces, environmental events, and scientific research has radically changed the cultured pearl industry.
Exhibition Review: *Gemstone Carvings: The Masterworks of Harold Van Pelt*
A review of Gemstone Carvings: The Masterworks of Harold Van Pelt at the Bowers Museum in Santa Ana, California.
Sapphire Quality Factors
Sapphire is one of the big three of colored gemstones (the other two are ruby and emerald). This durable gemstone captures jewelry buyers with its practicality and aura of romance. Click here and learn about the factors that make sapphire so desirable!