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GIA 4Cs Diamond Blog

GIA 4Cs Diamond Blog

Famous Birthstone: October’s Sun-god Opal

There are three main types of opal: white, black and fire. Some precious opals emit spectral colors from every angle, each one quickly flashing and glowing as bright as the next. This phenomenon is called play-of-color and has enchanted people throughout the ages.

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2016 Engagement Ring Trends

You’re going to propose – maybe this Christmas or on Valentine’s Day, and you’re on the hunt for the perfect engagement ring. Display windows are filled with so many choices that you’re experiencing sensory overload. Have no fear: we’re going to make picking the ring of her dreams a little easier for you.

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Zodiac-Inspired Jewelry: Libra

Libras have an iconic astrological sign, noble personality traits, and beautiful jewelry to go with it.

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Pearl Jewelry Essentials: Five Easy Pieces

If you’ve never uttered the word “wardrobe” in the same sentence as “pearls,” now might be a good time to start.

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A Conversation with Martin Katz – A Jeweler Like No Other

From micro-pave to mega-watt glam, jeweler Martin Katz dazzles Hollywood stars and titans of industry alike. In fact, you’ll spot his spectacular jewelry collections on many of the celebrities strolling the red carpet at the Emmy Awards this month. (more…)

How to Travel Brazil: Gemstones Edition

Brazil is a tropical locale well-known for exotic animals and plants, futból, sandy beaches, and jungle-clad mountains. Some of these mountains rise like monuments in the middle of cities, such as Sugarloaf Mountain in the ever-colorful and playful Rio de Janeiro. The country also contains the renowned Amazon River, not to mention superb gemstones in a kaleidoscope of saturated, luscious colors.

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Cushion Cut Diamond: An Old And New Classic

The cushion cut diamond has a long history – it is one of the oldest diamond shapes and cutting styles – and is once again popular. In fact, it was the third most popular diamond shape in 2013 according to a survey conducted by The Knot.

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Famous Birthstones: The Rockefeller Sapphire

Blue sapphire has been a symbol of nobility and faithfulness for centuries. Traditionally worn by clergy and royalty, sapphire continues to hold its place as one of the “Big Three” gemstones today (with emerald and ruby being the other two).

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Zodiac-Inspired Jewelry: Virgo

Virgo the Virgin (August 23 to September 22) is a zodiac sign with a fascinating story. And like the other astrology signs, it inspires some breathtaking jewelry.

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Diamond Clarity Chart: The Official GIA Diamond Clarity Scale

As you’re shopping for a diamond, you’ve already heard about the importance of the 4Cs of diamond quality (color, clarity, cut, and carat weight) and the role they play in determining a diamond’s value. You may have also come across our post on diamond color charts, and are now looking for a diamond clarity chart to help you better understand and remember the clarity grade terms used by jewelers. (more…)

Rock & Roll Jewelry

Summer is the season for outdoor rock concerts, and we’ve picked some funky pieces you can wear to the show. You’ll look so rocker chic while dancing in the crowd that you may even acquire a fan base of your own.

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Floral Jewelry and the Secret Messages of Flowers

When it comes to jewelry design motifs, flowers are – pardon the pun – perennial favorites. These delicate creations inspire jewelry designers to capture their fleeting beauty into timeless jewelry. Because flowers are so rich in symbolism, they make for thoughtful gifts for your loved ones and you. (more…)