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Diamond Buying Made Easier > Diamond Clarity

Diamond Clarity


Diamond clarity is one of the "4Cs" that are used in setting the price of a diamond. When you are shopping for a diamond engagement ring, a diamond pendant, some diamond earrings, or any piece of diamond jewelry; one important factor is the "Clarity" of the diamonds that you choose.

Does a higher diamond clarity equal a more beautiful diamond? Good question! Some people feel that diamond clarity is everything, some others feel it is not as important. As for me, I'd place diamond clarity as being number 3... just behind diamond color and just ahead of diamond carat weight.


  What is diamond clarity?  

Diamond clarity refers to the presence of extra little goodies on the inside and on the outside of a diamond. The definition of clarity is "the quality or state of being clear".

Having a diamond without anything inside of it is extremely rare, especially in larger diamonds. Because of this rarity factor, as a diamond becomes "cleaner" it also becomes more expensive. Of all the diamonds that are mined every year, only about 20% are "clean enough" (have a high enough diamond clarity) to be used in diamond jewelry with the other 80% of the diamonds being used for industrial purposes. So if you have a diamond with the highest possible diamond clarity grade then it really is one in a million, making it even that much more special!

How can we communicate how "clear" a diamond is or isn't? In the world of colored stones (gemstones other than diamonds), there are "word terms" which are used to describe the clarity of a gem. Terms like "clean", "eye clean", almost eye clean", etc.

Can we do the same thing with describing diamond clarity? It was commonly done for many years but it did cause many problems. One person could give a diamond clarity of "almost eye clean" and another person would give a diamond clarity of "eye clean"..... who's right? More than 50 years ago that was the problem... a better diamond clarity grading system was needed!


  The Diamond Clarity Grading System...  

The Diamond Clarity Grading System was developed by GIA (Gemological Institute of America) in 1953 and is now the common international language when we talk about diamond clarity.

The following is from GIA's website and is their definition of diamond clarity-
"Diamonds have internal features, called inclusions, and surface irregularities, called blemishes. Together, they're called clarity characteristics. A diamond clarity grade is determined by the relative absence of clarity characteristics."

The following are the diamond clarity grades that are assigned when a diamond is examined by a trained observer using 10X magnification under a controlled lighting environment-

Flawless (FL): no blemishes or inclusions when examined by a skilled grader under 10X magnification.

Internally Flawless (IF): no inclusions when examined by a skilled grader, and only insignificant blemishes under 10X.

Very Very Slightly Included (VVS1 and VVS2): contain minute inclusions that are difficult for even a skilled grader to locate under 10X. VVS1: extremely difficult to see, visible only from the pavilion or small and shallow enough to be removed by minor repolishing. VVS2: very difficult to see.

Very Slightly Included (VS1 and VS2): contain minor inclusions ranging from difficult (VS1) to somewhat easy (VS2) for a trained grader to see under 10X.

Slightly Included (SI1 and SI2): contain noticeable inclusions which are easy (SI1) or very easy (SI2) to see under 10X. In some SIs, inclusions can be seen with the unaided eye.

Included (I1, I2, I3): contain inclusions which are obvious to a trained grader under 10X, can often be easily seen face-up with the unaided eye, seriously affect the stone's potential durability, or are so numerous they affect transparency and brilliance.


diamond clarity chart
Diamond Clarity grading performed using 10X magnification.



- Important Take Away Points -
Diamond Clarity


#1- Diamond Clarity grades from FL to SI1 should look the same.... they should not have any inclusions that are noticeable to your eye, you will need to use 10X magnification.... that is, unless Superman takes a look at your diamond!
But then again, he doesn't care about diamond clarity because he can make Flawless diamonds out of lumps of coal!


#2- Higher diamond clarity does not equal a more beautiful diamond! The true beauty of the diamond is released by how the diamond has been cut. I have seen some absolutely beautiful well cut diamonds with a diamond clarity grade of I1 and some lifeless, poorly cut, diamonds that had a diamond clarity of VVS1.


#3- Diamond clarity is a scale with extremely rigid categories at the top (FL, IF, and VVS)... meaning that a single microscopic inclusion can force a diamond down to a lower diamond clarity grade.
As you move "down" the grading diamond clarity scale (VS, SI, and I) there is a much wider range of "diamond clarity characteristics" that are allowed.

So a diamond with a SI1 diamond clarity is not at the "bottom" of the diamond clarity scale... it's more in the middle of the grading scale.... it can therefore be a very good value because it will look the same to your eye as a diamond with a FL (Flawless) diamond clarity grade without the premium price of a FL, IF, or VVS diamond.


#4- There are some diamond clarity treatments that are occasionally done on low clarity diamonds in order to make them more marketable diamonds- Clarity Enhanced Diamonds.... these diamonds can be a great value!


#5- How will you be able to tell the clarity of a diamond? You, a person who is not fully trained in this system, probably might not be able to accurately determine the clarity grade of a diamond. A Gemologist who has been trained as to all the variables will be able to determine the diamond clarity grade and they will also be able to show you why a diamond is a certain clarity.

The best way to be assured of the diamond clarity will be to have a diamond grading report issued by a credible gemological laboratory. The best reports will be from GIA, AGSL, or GCAL. These nationally known and well respected labs do use a number of diamond graders who must agree on all of the qualities of the diamond before a report is issued.






James Allen Diamond Rings James Allen is a very interesting site because they have actual photos of the loose diamonds in their inventory!

blue nile - remind her



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