GIA recently made headlines for grading the statement gem in what has been dubbed the world’s most expensive necklace by the Guinness Book of World Records. (more…)
An exciting new exhibit series is making its way through GIA Headquarters in Carlsbad, California. “Aluminati: Students to Stars” highlights the talents of GIA alumni who have made waves in the gem and jewelry industry. The first exhibit in the series, featuring designer Kara Ross, debuted earlier this month and will run through November. (more…)
When buying a diamond, it is important to understand what diamond carat weight is and how the weight of a diamond is measured.
A diamond’s cut and its shape are often confused, but we’re here to help! A diamond’s shape refers to its outline when viewed face up. A diamond’s cut refers to its facet arrangement. (more…)
No diamonds are entirely without inclusions or blemishes, and these characteristics help gemologists accurately determine natural diamond clarity. (more…)
Last week, we gave a broad overview of the 4Cs. Today, we discuss how to evaluate diamond color. Did you know most diamonds are not truly colorless and contain subtle hints of yellow or brown? (more…)
The prospect of purchasing a diamond may seem daunting, but through GIA, an unbiased authority on diamonds, you have several handy resources to help you select the highest quality diamond. First up, an overview of the 4Cs: Color, Clarity, Cut, and Carat Weight. (more…)
From ancient times to today, cultures around the world have celebrated wedding unions with wedding jewelry traditions. These customs offer a unique option for couples looking to infuse their wedding with beauty and personal meaning. (more…)
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. (more…)
As its namesake suggests, the cool blue hues of March’s captivating gemstone are reminiscent of a tranquil sea. Aquamarine crystals can grow in large sizes with excellent clarity. (more…)
When the 57th President of the U.S. was sworn in on January 21st, many looked to First Lady Michelle Obama to set the stage for American fashion trends in 2013. The First Lady did not disappoint when she appeared at the inaugural ball in geode shaped diamond earrings and bangles by American designer Kimberly MacDonald. (more…)
Use of this site signifies your agreement to its terms of use.
© 2002 – 2024 Gemological Institute of America Inc. GIA is a nonprofit 501(c)(3) organization.
All rights reserved.