Adventures of a GIA Field Gemologist: Vincent Pardieu

As the world’s foremost gemological authority, GIA has a network of field gemologists who cover every corner of the globe. Vincent Pardieu, GIA’s Supervisor of Field Gemology in Thailand, is living proof that boundless curiosity can provide many forms of enrichment.

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GIA Named One of World’s Most Ethical Companies

GIA is delighted to announce it has been recognized by the international think tank Ethisphere® Institute as one of the 2013 World’s Most Ethical (WME) Companies!

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Interactive Diamond Tool Now Available for Android

Owners of Android phones and tablets like the Kindle Fire and Samsung Galaxy can now benefit from GIA’s (Gemological Institute of America) free interactive diamond app for consumers and retailers, available in both English and Simplified Chinese. The app engages consumers with interactive features, video content and information on the GIA-created 4Cs (Color, Clarity, Cut and Carat Weight) of diamond quality.

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Download GIA’s 4Cs Guide to Understanding Diamond Quality

Here is a simple reference guide designed to help anyone shopping for a diamond understand the 4Cs of Diamond Quality; color, clarity, cut and carat weight.

This guide will help you navigate and understand the relative quality differences that exist on the color, clarity and cut grading scales.

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Diamond Buying Guide – Part 1

Buying a diamond can be a significant purchase both emotionally and financially, but it doesn’t have to be intimidating. Here are four basic steps to ensure that the journey to find your perfect diamond is as pleasurable as admiring the diamond you finally select.

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Mohs Scale – Gem and Mineral Hardness

Diamonds are known for being one of the hardest substances on earth. A diamond is so hard it ranks as a 10 on the Mohs scale–the highest level of hardness. But what is the Mohs scale?

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