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GIA 4Cs Diamond Blog

GIA 4Cs Diamond Blog

Bejeweled Buildings

Glittering around the world are a handful of buildings decorated with gems.

Sparkling like stars in the night sky, these architectural marvels are ornamented with mother of pearl, abalone shell, amethyst, lapis lazuli, red agate, and more . Such stones are often reserved for jewelry, so to see hundreds of them in one place is an awe-inspiring experience.

Join us, as we take a tour around the world to learn about these bejeweled beauties. We promise they’ll be quite a sight to behold. (more…)

Tips on Getting a Jewelry Appraisal

Does GIA provide appraisals? It’s a frequently asked question we often get from consumers trying to determine the value of a gemstone or piece of jewelry. (more…)

The Charming Positives of Negative Space

As you’re enjoying this exquisite necklace, see if you can figure out what makes it so beautiful. (more…)

Ocean-Inspired Jewelry Captures the Beauty of the Underwater World

Jewelry designers have long been enchanted by the sea. It’s a subject rich in beauty, myth, and romance – all classic elements of fine jewelry. (more…)

Incredible Insects

We typically think of insects as pesky critters that make us squirm. Caterpillars, flies, and moths are not what many would consider the winners of Mother Nature’s beauty pageant. (more…)

Rose-cut sapphire and diamond cross pendant
The Cheapside Hoard – Buried Treasure

The story of the Cheapside Hoard has the twists and turns of the finest detective novels.

Between 1640 and 1666, nearly 500 items – including jewelry and loose gems – were placed in a wooden box and hidden in the cellar of a building near London’s St. Paul’s Cathedral. A large Colombian emerald pocket watch; a rose-cut sapphire and diamond cross pendant; an enameled gold ring set with a large table-cut diamond; a 2,000-year-old Egyptian agate cameo – these were just a few of the spectacular pieces secreted away.

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rose gold butterfly
Rose Gold Revival

The ever-changing nature of jewelry trends is driven by a number of factors. Right now, rose gold is having its moment in the sun after precious white metals were the color of choice for the past few years. Let’s take a look at why that might be.

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van cleef zodiac pendant
A Quest for Beauty: The Art of Van Cleef & Arpels at the Bowers Museum

Want to see some exquisite jewelry? Then make for A Quest for Beauty: The Art of Van Cleef & Arpels at the Bowers Museum, Santa Ana, CA (October 27, 2013 through February 15, 2014).

The Bowers Museum has curated more than 200 iconic pieces made by the storied jewelry house. Jewelry is organized around four themes: Elegance, Exoticism, Femininity, and Nature. Expect to see remarkable craftsmanship, dazzling gemstones, and a parade of innovative and timeless works. (more…)

Turquoise: December’s Birthstone, Loved for its Sky Blue Color

Those celebrating December birthdays are fortunate to have a few birthstones to choose from – zircon, tanzanite, blue topaz and lapis lazuli, among them. But one of the best known and most loved December gems is turquoise, a gem that has been mined and used for thousands of years. (more…)

The Cheapside Hoard: London’s Buried Treasure

A treasure trove of jewels that lay hidden underground for nearly 300 years is now on display at the Museum of London.  Nearly a century after its discovery, the entire collection is being exhibited together for the first time. Workers demolishing a tenement house in the Cheapside district of London in 1912 discovered the priceless Elizabethan and Jacobean jewelry, loose gems and objects buried in a cellar. The treasure became known as “The Cheapside Hoard,” but the identity of its owner remains an enigma. (more…)

platinum tri set
4Cs Tips for Holiday Shopping: 2013 Guide, Part 2

Diamond jewelry is often at the top of a woman’s holiday wish list but getting her a gift that she’ll love doesn’t have to be complicated. In the second installment of our 2013 Holiday Buying Guide series, you will learn the basics of what to look for when shopping for diamond jewelry.

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More is More: The Artistry of Tony Duquette & Hutton Wilkinson

Tony Duquette and Hutton Wilkinson are two jewelry designers acclaimed for their original work.

More is More: Tony Duquette – Hutton Wilkinson Jewelry, the duo’s first-ever all-jewelry exhibit, debuted on Oct. 10 at GIA’s world headquarters in Carlsbad, CA. The inventive body of work, which will be on display through March 2014, embraces a wide variety of styles, periods and palettes often showcasing unusual gemstones paired with rare materials in whimsical designs. (more…)