GIA® in Dubai
GIA® Laboratory FZCO is located in the important global diamond center of Dubai and will provide diamond services with limited capacity.
How GIA Identifies and Classifies Pearls
GIA 是世界上公认的最具权威的钻石鉴定机构，并且在天然和养殖珍珠鉴定和分类领域,自 1949 年以来就一直处于领先水平。
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!
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!