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GIA 4Cs Diamond Blog

GIA 4Cs Diamond Blog

Imagine the diamond that is perfect for you. Is it a colorless and flawless round brilliant stunner? Perhaps you’re partial to a Fancy Vivid pink diamond? Or maybe you treasure an heirloom diamond jewelry piece with an old mine cut?

We have compiled a unique list of diamond inclusions that are so interesting and distinctive that they just might cause you to have second thoughts about your dream diamond.

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Clarity characteristics on a gemstone’s surface are called blemishes. Inside the stone, they are referred to as inclusions.. This post will focus on inclusions and how they are important factors to gem and jewelry professionals and consumers.

Inclusions can be very small, but they mean a lot. In general, the fewer inclusions, the greater the desirability. (more…)

Because diamonds form under tremendous heat and pressure, nearly every one possesses internal and external features called clarity characteristics. These characteristics help gemologists separate natural diamonds from synthetics and simulants, as well as identify individual gems. (more…)

It has been said that few things in nature are absolutely perfect. The same holds true of diamonds. Part of what makes a diamond unique is what is commonly referred to as a diamond’s clarity characteristic. (more…)

Few things in nature are absolutely perfect. This is also true with diamonds. As touched on in the first part of the clarity series, diamonds have internal features called inclusions and surface irregularities called blemishes.  Together, inclusions and blemishes make up a diamond’s clarity characteristic. (more…)

Diamond clarity is one of the four quality factors (the 4Cs) that describe and determine the value of a diamond. By definition, clarity means “a gemstone’s relative freedom from inclusions and blemishes.” These two terms are locational- blemishes are found on the outside of the gem and inclusions are located on the inside. Both of these clarity characteristics can dim the brilliance of a diamond, though some are so minute that they are invisible to the naked eye. (more…)