Of all the diamonds in our Famous Diamonds series, the Koh-i-noor has one of the most mysterious pasts. It is likely from the Golconda region of India, although it is not known exactly when it was found, resulting in centuries of debate about its early history.
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March’s aptly titled birthstone, aquamarine, grows in gorgeous crystals and sparkles like the ocean on a sun-kissed day. But do you know what to look for when shopping for aquamarine? (more…)
As a diamond consumer, you’ve probably heard the term “diamond treatment” or “treated diamond,” or perhaps “enhanced diamond” and wondered what that meant. A relatively small percentage of gem-quality diamonds are treated and they are treated for two reasons: to improve clarity or to alter color.
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Going once. Going twice. Going three times. Sold for $83.2 million.
That was the winning bid for the 59.6 carat Fancy Vivid Pink Dream in November 2013 – the most ever paid for a diamond. The amount was comparable to prices paid for paintings by some of the masters.
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The Cullinan II is a 317.40 carat (ct) cushion cut diamond and the centerpiece of the British Imperial State Crown. Do you know the history behind this beautiful diamond? (more…)
Judging by what celebrities wear on the red carpet, luxury cocktail rings continue to reign supreme. If you’re looking to bring some sparkle to your favorite Valentine, consider giving her (or him?) a ring with gems of grand proportions, one that’s a fashion statement and a work of art. But be warned: while these jumbo rings dazzle on the red carpet, only some may be suitable for everyday wear. (more…)
What better way to celebrate the love for your significant other than by giving heart shaped jewelry and diamonds this Valentine’s Day? As the world’s foremost expert in gems and jewelry, GIA offers a few tips and best practices before you set foot in your neighborhood jewelry store. (more…)
GIA created the 4Cs (Color, Clarity, Cut and Carat Weight) as a universal method for establishing how to check diamond quality 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.
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.” (more…)
What makes a diamond famous? It might be the diamond itself, the story behind it or the people who’ve owned it. Today we kick off part one of our Famous Diamonds series, which will reveal the stories and secrets behind some of the world’s most extraordinary diamonds. First in the series is the 33.19 carat Elizabeth Taylor Diamond. (more…)
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