Recent Posts

The Secret Messages of Flowers Part 2

We’ve shared the meanings behind rose, orchid, lily, and more in the first part of The Secret Message of Flowers. But with so many beautiful flowers and gorgeous pieces of floral jewelry in the world, one post just wasn’t enough.

Here we continue our exploration of flowers to help you become even more fluent in their secret language.


More than the Mohs Scale – Understanding What Makes a Gem Durable

As you’re shopping for fine jewelry, knowing how durable a particular gemstone is will help you determine how and when to wear it, and most importantly – how to care for it. In this post, we’ll demystify gemstone durability and provide tips for helping you choose a gemstone that could last a lifetime or longer.


Antique Jewelry: Mourning Jewelry of the Victorian Era

The tradition of wearing mourning jewelry goes back to at least the Middle Ages, when motifs like skulls and crossbones served as a tangible reminder of death. The exhortation memento mori, which literally translates to remember death, urged the wearer to live a moral life.


March Birthstone: Where Does Aquamarine Come From?

Aquamarine, the March birthstone, is said to bring happiness to a marriage, calm waves, and keep sailors safe at sea: not surprising for a gem named after seawater. Aquamarine’s tranquil blues conjure peaceful waters and smooth sailing – unlike the often dry and desolate places where it is mined.


How to Decide: Four Prongs versus Six Prongs for Your Engagement Ring

The process of selecting an engagement ring is full of big decisions and small ones. You’ve learned about the 4Cs (color, clarity, cut, and carat weight) and the important role they play in determining a diamond’s value. You’ve probably spent some time deciding on the right diamond shape. And you’ve thought hard about picking the right white metal or whether to go with gold. You’ve finally chosen a solitaire setting, and now have to decide on the number of prongs.

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 - 2016 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 Wednesday 4th of May 2016 09:07:17 PM
/* OnlineOpinion v5.9.0 Released: 11/17/2014. Compiled 11/17/2014 01:01:01 PM -0600 Branch: master 7cffc7b9a0b11594d56b71ca0cb042d9b0fc24f5 Components: Full UMD: disabled The following code is Copyright 1998-2014 Opinionlab, Inc. All rights reserved. Unauthorized use is prohibited. This product and other products of OpinionLab, Inc. are protected by U.S. Patent No. 6606581, 6421724, 6785717 B1 and other patents pending. http://www.opinionlab.com Resource added 8/6/2015, ali.farhoumand@gia.edu */