Recent Posts

Beauty Revealed – Gemstones under the Microscope

Ready for a stunning surprise? Put a gemstone under a high-powered microscope, and you’ll see a world of breathtaking beauty.


11 Pieces of Jewelry Every Woman Should Own

Wondering where to start in creating your jewelry wardrobe? GIA put together this list of 11 Pieces of Jewelry Every Women Should Own. Jewelry essentials to ensure that you have the perfect accessory for any event.

Click on the image below to see a larger view. Bookmark and share!


Once Again, GIA Recognized as One of the World’s Most Ethical Companies

For the second year in a row, GIA is honored with the Ethisphere® designation as one of the World’s Most Ethical Companies®.


Decoding Color: The GIA Colored Diamond Color Grading System

When does yellow become orange, and orange become red? The question may sound a bit philosophical until you tie it to colored diamonds, where slight variations in color can mean huge differences in price.


Diamond Anatomy, Explained

When you’re shopping for a diamond, its brightness and sparkle will draw you to the jewelry counter, and keep you captivated long after you’ve made your diamond purchase. Achieving maximum brightness and sparkle requires excellent cutting technique, which is reflected in the diamond’s cut grade. Of the 4Cs, no other ‘C’ has more impact on a diamond’s appearance.

Home | FAQ | Site Map | GIA 4Cs Blog | Contact a Diamond Expert | Comments & Suggestions
4Cs Education | More Diamond Information | GIA Grading & Reports | Diamond Buying Guide | About GIA
Use of this site signifies your agreement to its terms of use. © 2002 - 2014 Gemological Institute of America Inc. GIA is a nonprofit 501(c)(3) organization. All rights reserved.
World Headquarters and The Robert Mouawad Campus 5345 Armada Drive, Carlsbad, California 92008 (760) 603-4000
This page was last updated Friday 25th of April 2014 08:17:22 AM