Diamond Clarity

When deciphering the value of a diamond, clarity is one of the most vital aspects that is considered. This is used to refer to the inclusions that are present within a diamond; how easy they are to see and where they are located. Almost every diamond has blemishes and inclusions, although many of them are not visible to the naked eye. It goes without saying that the fewer inclusions there are, the more expensive the diamond will be.


Clarity Grades

There are a number of different factors that are considered to determine a diamond's clarity grading. This includes the number of inclusions and blemishes and their impact on the stone, i.e. their nature, size, where they are placed, and their overall visibility. Gemological labs have different systems in place for grading, but under the Gemological Institute of America (GIA), diamonds are ranked from Internally Flawless (IF) to Included (I3). 

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Diamond Inclusions & Blemishes

There are many different types of inclusions and blemishes that can impact a diamond, and they all differ in terms of their appearance and their effect. Read this section to discover more about the various diamond inclusions and blemishes. 

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Clarity Enhancements

There is a process in place called clarity enhancement that is used to try and 'fix' the fractures or imperfections using molten glass. There is a lot of debate regarding whether this procedure is beneficial or not. However, it is worth noting that it cannot be used on all types of diamonds. 

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Expert Advice: Eye-clean Diamonds

The term 'eye clean' is used to describe any type of diamond that does not have any inclusions or blemishes that are visible to the naked eye. This is often what consumers want when they are purchasing a diamond. 

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