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GIA 4Cs Diamond Blog

GIA 4Cs Diamond Blog

GIA Holiday Shopping Guide: 5 Things to Remember When Buying A Diamond

The to-do list around the holiday season seems endless! You’re busy attending events, hanging holiday decorations, sending cards…and then, you still have to find time to buy gifts! If your holiday shopping list includes a diamond or piece of diamond jewelry, GIA can help.

Here are 5 easy tips to help you choose the perfect diamond gift.

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diamond bracelet
GIA Holiday Shopping Guide: The Diamond 4Cs Guide For Your Holiday Shopping

Holiday shoppers are giving diamonds an overwhelming YES. And it’s not just bejeweled engagement rings that are getting people to say ‘I do’. Recent studies indicate that women plan to buy more diamonds for holidays, birthdays, anniversaries, and “just because”.

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Bewitched by Black Diamonds

With Halloween creeping up on us, black diamonds seem a fitting subject.

Black diamonds, much like brown diamonds, were once outcasts in the diamond world. In the 1928 book, Diamond: A Descriptive Treatise, author J.R. Sutton noted: “Ordinary black diamond is not greatly unlike black sealing wax. Opinions differ as to its virtues as a gemstone.” And until relatively recently, this negative impression still persisted.” (more…)

Changing a Diamond’s Color

If you’re thinking of buying a colored diamond, you’ll want to know if its color is natural or is the result of a treatment process. (more…)

Bravo for Brown Diamonds

Just a few decades ago, saying a diamond was brown was considered to be the kiss of death. These ugly ducklings of the colored diamond world were often destined for industrial use. (more…)

Diamonds Shape by Shape

When buying a diamond, you know how important the 4Cs are in defining diamond quality. But well before buying comes dreaming. And when you envision the perfect diamond you’ll own one day, chances are the first thing that comes to mind is its shape. (more…)

The Green Diamond

Colored diamonds have a special allure, and rare natural color green diamonds may be the most intriguing of them all.

The green color in a diamond is the result of exposure to radiation. The source of the radiation can be naturally occurring or performed in a laboratory. Natural radiation is the result of the diamond being exposed to radioactive uranium from rocks near the earth’s surface. Artificial irradiation is achieved in a lab using either a linear accelerator (called a linac), gamma rays or a nuclear reactor. (more…)

Digging into Diamond Types

Serious diamond connoisseurs consider a diamond’s 4Cs as essential information. Some buyers might also want to know about the diamond type. But what exactly does diamond type mean? (more…)

The Beauty of Blue Diamonds

Blue diamonds are extremely rare, exquisitely beautiful, and rich in lore. This special combination has made them coveted by diamond lovers and jewelry connoisseurs.

How rare are blue diamonds? To find that glittering needle in the haystack, tons of ore have to be unearthed. And when a blue diamond is found, you can imagine the excitement it causes. (more…)

Yearning for Yellow Diamonds

If you love yellow diamonds, you’re not alone. Diamond connoisseurs spend millions on these stunning gemstones. (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…)

Famous Diamonds: The Taylor-Burton Diamond

Like the famous Elizabeth Taylor Diamond, the Taylor-Burton Diamond was another of Richard Burton’s extravagant gifts to wife Elizabeth Taylor during their public and tumultuous marriages. The couple’s emotionally-charged private life often drew as much attention as their movie roles, and their luxurious tastes, Taylor’s love for diamonds especially, were legendary. (more…)