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Recent Posts

Understanding the 4Cs of Diamond Quality

GIA created the 4Cs (Color, Clarity, Cut, and Carat Weight) as a universal method for establishing the quality of any diamond, anywhere in the world. The 4Cs means two very important things: diamond quality can be communicated in a universal language, and diamond-buying consumers can know exactly what they are about to purchase.

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Amethyst Buying Guide

Known for its majestic purple color, amethyst is the gemstone of choice for those born in February.

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Year of the Horse

The horse is a pervasive motif in the design world, and this year it will bolt out of the gate with more fanfare than ever. According to  the Chinese Zodiac calender 2014 is the “Year of the Horse.”

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Lore of the Super Bowl Rings

As America’s premier sporting event, the Super Bowl is both a spectacle and a ritual, even for non-sports fans. Last year, it drew an audience of nearly 110 million viewers in the U.S. alone. But did you know that every year, the Super Bowl is commemorated with a one-of-a-kind ring? GIA shares some of the incredible stories that have been linked to Super Bowl rings over the years.

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Vintage Coral Surprises at Fall Auctions

Coral is one of the oldest substances in nature to be used in jewelry. For thousands of years, decorative art objects have displayed this  treasure from the sea. The resurgence of vintage coral items at auctions around the world last fall hints that this favored material has enduring style, blooming in shades from pale pink to deep red. Buyers had more choices of period coral collectibles than in past seasons, and many of the pieces sold quite well.

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