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Research & News
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How GIA Analyzes Pearls from Start to Finish
Easy, step-by-step guide to how GIA analyzes pearls in its laboratory.
Testing Diamonds and Gems using UV Light
Quick how-to guide for retailers to test gemstone fluorescence and help identify stones in their own stores.
G&G in a Flash: What Does Fluorescence Tell Us?
Learn about the principles, mechanisms, and characteristics of luminescence that create the impressive and memorable glow of gemstones.
The Latest on Laboratory-Grown Diamonds
Learn the latest trends by GIA on the laboratory-grown diamond industry.
Freshwater Akoyas - A Trending Misnomer for Certain Freshwater Pearls
Small, bead-nucleated freshwater pearls marketed as “akoyas” could cause confusion and mislead consumers.
The Latest on Laboratory-Grown Diamonds
Learn the latest trends by GIA on the laboratory-grown diamond industry.
Freshwater Akoyas - A Trending Misnomer for Certain Freshwater Pearls
Small, bead-nucleated freshwater pearls marketed as “akoyas” could cause confusion and mislead consumers.
How GIA Analyzes Pearls from Start to Finish
Easy, step-by-step guide to how GIA analyzes pearls in its laboratory.
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