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GIA 4Cs Diamond Blog

GIA 4Cs Diamond Blog

As the creator of the 4Cs and International Diamond Grading System, GIA also established color grading standards and terminology specifically for colored diamonds, based on the color’s hue, tone, and saturation. Today, we identify some of the defining characteristics that help make fancy-color diamonds a true feast for the eyes. (more…)

Flaming Gorge Canyon & Brooch

As artists, jewelry designers are inspired in different ways. Some create to echo iconic eras of the past, like Art Deco or Art Nouveau. Some provide their own perspective on famous works of art in galleries and museums. But some have a keen eye for taking a part of their ordinary, everyday life, and turning it into something exquisite. (more…)

Affordable, prestigious, and trendy, it’s no wonder that silver is enjoying a renaissance. Considered one of the three Noble Metals – gold and platinum being the other two previously covered – silver sales have been on the rise, with an average increase of 19% from 2011 to 2012 (according to the National Jeweler/Nielsen silver survey). (more…)

Image courtesy of Dr. Geoffrey Smith

How many times have you moved in your life? The average American moves 11 times, according to US census data, and this on-the-move lifestyle has fueled one of the biggest trends in jewelry right now, tribal-inspired jewelry design. (more…)

GIA diamond 4Cs Spokes

Consumers have more options than ever when it comes to buying diamonds. In addition to jewelry retailers, you can shop conveniently from your computer, tablet, or smartphone. Many of the same considerations apply whether you’re buying a diamond in person or online, but GIA has a few additional tips for shopping online that will help you click the “Buy Now” button with confidence. (more…)

Mandela Day Library

Adding to its educational efforts in Africa, GIA recently entered into a collaboration with the Nelson Mandela Centre of Memory to provide Mandela Day Libraries to four South African elementary schools. (more…)

Many people know that diamonds typically come in a range of colors from D to Z on the GIA color-grading scale.  However, most people don’t know how the naked eye sees color in a diamond. (more…)

GIA’s 4Cs Q&A series wraps up with some bonus information on fluorescence, while passing along a few friendly words of advice. (more…)

microscope

In addition to setting standards for determining gem quality and conducting front-line research, GIA protects the gem-buying public by educating gem and jewelry professionals. In fact, GIA was founded more than 80 years ago as an educational institution to help jewelers accurately and ethically communicate gem information to the public. (more…)

GIA’s 4Cs Q&A series continues with a careful consideration of carat weight. (more…)

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One frequent request GIA receives is, “Can you recommend a reputable jeweler?” The jewelry-buying landscape offers so many options: buying online, through retail chains, neighborhood jewelry stores, and even independent sellers. Establishing a relationship with a jeweler can seem daunting and confusing. GIA is here to help. While it can’t recommend specific jewelers or businesses, it does offer tools and tips to help you navigate your way through choices. (more…)

Next up in GIA’s 4Cs Q&A series is diamond cut grading. (more…)