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GIA 4Cs Diamond Blog

GIA 4Cs Diamond Blog

A diamond purchase is a significant one. Be confident you understand how to get the best diamond price.  Whether you’re shopping for an engagement ring or for a gift to yourself or a loved one, it’s natural to want to save money when possible, or at least know you’re getting a good value.  One frequently asked question is, can I get a better price by buying directly from someone in the supply chain who’s closer to the source? The short answer is: not really and here’s why:
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The Portuguese, a 127.01 carat Asscher cut diamond, was graded by GIA as VS1 clarity, M color, with Very Strong blue fluorescence. Photo: Chip Clark, Courtesy: Smithsonian Institution

Surprisingly, the 127.01 carat diamond called the Portuguese seems to have no connection to its namesake country. Legend claimed this diamond was found in the mid-1700s in Brazil and belonged to Portuguese royalty. However, there is no evidence to support this story. Instead, records indicate the diamond was found at the Premier Mine in Kimberley, South Africa, in 1910. (more…)

Many jewelry shoppers, for reasons varying from cost to personal preference, consider “diamond alternatives” in place of a natural diamond. However, when asking a jewelry retailer about diamond alternatives, you are likely to receive a number of different answers. (more…)

At 243.35 carat (ct), the Jubilee is one of the finest examples of a diamond of exceptional size and quality (not to be confused with the Golden Jubilee, a 545.67 ct brown diamond). (more…)

When does yellow become orange, and orange become red? The question may sound a bit philosophical until you tie it to colored diamonds, where slight variations in color can mean huge differences in price.

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When you’re shopping for a diamond, its brightness and sparkle will draw you to the jewelry counter, and keep you captivated long after you’ve made your diamond purchase. Achieving maximum brightness and sparkle requires excellent cutting technique, which is reflected in the diamond’s cut grade. Of the 4Cs, no other ‘C’ has more impact on a diamond’s appearance. (more…)

The Napoleon Diamond Necklace, in the Smithsonian National Museum of Natural History, is set with 234 diamonds weighing approximately 263 carats; the largest stone is about 10.40 carats. Photo: Chip Clark, Courtesy: Smithsonian Institution

historic diamond necklace was a gift from Napoléon Bonaparte to his second wife, Marie-Louise of the Austrian House of Hapsburg, Empress of France. The necklace was given to commemorate the birth of their son, Napoléon François Joseph Charles (also known as Napoleon II), in 1811. Following her death in 1847, the necklace remained in the family for several generations. (more…)

Once destined for industrial use, low-quality rough diamonds were thought to have too many impurities or inclusions to be used in high-end rings, bracelets, and necklaces.  But today, these diamonds are making their way into luxury jewelry. So why the sudden interest? (more…)

Legend says was pried from the eye of an idol in India in the 1700s by a deserter from the French army. Photo: M. Nachinkin, Courtesy: RIA Novosti

The Orlov, a large rose-cut diamond, has been described as being shaped like half of a pigeon’s egg. It is the fourth in our Famous Diamonds series. (more…)

The Pink Star ring, which sold at a Sotheby’s auction for $71 million, contains a 59.60 ct Fancy Vivid pink diamond graded by GIA.

Jewelry connoisseurs have gone crazy for colored diamonds. And their appetites were practically insatiable in 2013.

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Zen style jewelry

Sleek. Simple. Sophisticated.

It’s Zen Style – jewelry that has clean lines and uncomplicated shapes. There’s little in the way of ornamentation and embellishment. Its beauty comes from artful construction and the pairing of contrasting shapes and colors. (more…)

coated collections of colored diamonds

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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