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GIA 4Cs Diamond Blog

GIA 4Cs Diamond Blog

ruby necklace, earrings, and ring
Ruby: The Undisputed King of the Red Gemstones

July’s mesmerizing birthstone was called “the king of precious stones” in ancient India. It remains a fitting title today. (more…)

jennifer aniston
Vintage Diamond Cuts

As seen during the 2013 Oscars, vintage jewelry and diamonds continue to live in the spotlight, as evidenced by this 19th century oval and cushion cut diamond bracelet worn by Jennifer Aniston. But do you know the storied history behind your favorite vintage diamond cuts? (more…)

watch-wheel
Father’s Day Jewelry and Sports Cars: A Men’s Guide

Sports cars and jewelry may not seem to have much in common, but take a closer look and you’ll see that they frequently share common design elements: sleek lines, polished metal, bold color palettes and more. These design choices project status, power, and affluence; qualities likely to appeal to men. (more…)

Caring for June’s Birthstone: Pearls Part 4

The legendary beauty of June’s luminescent birthstone has been celebrated for centuries. We explored the pearl’s history and lore, the various types of pearls available, and how a pearl’s value is assessed and what to look for when purchasing a pearl. Now we are going to discuss how to care for one! (more…)

7 Factors Describe June’s Birthstone: Pearls Part 3

Celebrated for its mesmerizing beauty, the Grace Kelly of gems is June’s elegant birthstone–the pearl. We previously discussed the pearl’s history and lore, and the different types of pearls. Now let’s delve into how a pearl’s value is assessed, and what to look for when purchasing a pearl. (more…)

The Varieties of June’s Birthstone: Pearls Part 2

June’s lustrous birthstone is celebrated around the globe for its compelling beauty. Earlier this week we discussed the source and history of the pearl. Today we’ll be diving into the various types of pearls. (more…)

The History & Lore of June’s Birthstone: Pearls Part 1

The luminous pearl is June’s coveted birthstone. This enchanting treasure originating from the sea is a timeless wardrobe staple, beloved by fashion icons including Audrey Hepburn and Coco Chanel. In this four-part series, we’ll be (1) sharing the source and history of pearls, (2) exploring different pearl varieties, (3) assessing factors behind pearl value, and (4) learning about how to care for your pearls. (more…)

Art Deco platinum, sapphire and diamond pendant/brooch.
The Timeless Allure of Art Deco

With the return of The Great Gatsby, which is in theatres now, we’re reminded of the Roaring Twenties, a time of prosperity in the United States. Skyscrapers sprung up in major cities, jazz rang out from speakeasies and Charles Lindbergh made the first non-stop transatlantic flight. It was a decade known for automobiles, radios, telephones, skyscrapers, and flappers. (more…)

acorn necklace
Gold Rush: Gold Jewelry Design

After years of being overshadowed by white gold, yellow gold is making a comeback! The demand for colored gold is usually dictated by fashion trends. Whenever shades of blue and silver are fashionable, the demand for white gold tends to increase. With Earth tones currently at the forefront, there’s a growing desire for yellow gold. (more…)

Emerald Birthstones: The secret power of a green gemstone

This stunning green gem gets its name, from the ancient Greek word “smaragdos,” meaning “green stone,” and helps to celebrate those born in May as well as 20th and 35th wedding anniversaries. Its lush green hue has soothed souls and excited imaginations since ancient times, and in 2013 emerald green is the designated “Color of the Year”. (more…)

Egyptian bird pin
Art Nouveau Jewelry

Vintage jewelry is experiencing a revival in popularity, perhaps inspired by a surge of period movies and shows like the PBS hit Downton Abbey. Art Nouveau in particular influences many contemporary jewelry designs today. The Art Nouveau design period lasted between 1890 and 1914, and was in many ways a response to the Industrial Revolution. (more…)

637 carat diamond necklace
World’s Most Expensive Necklace Sets a Guinness Record – L’Incomparable

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…)