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Uncover Diamond Clarity

This refers to how many flaws or inclusions (i.e., tiny imperfections) are present in your diamond; the fewer the better. A flawless stone is considered ideal because it has no visible marks or blemishes on the surface, but it can be extremely expensive and hard to find.

Discover the Clarity of Diamonds: Understanding Inclusions and Blemishes

A diamond, it is nature at it’s finest

Diamonds have internal features called inclusions, and surface irregularities called blemishes. The clarity characteristic of a diamond is determined by the relative absence of inclusions and blemishes.

The Federal Trade Commission guidelines prohibit use of the term “flawless” or “perfect” to describe any diamond that doesn’t fit the description. Diamond clarity characteristics are defined as follows:




Internally Flawless


Very Very Slightly Included


Very Slightly Included


Slightly Included


Imperfect Eye-visible

  • Internally Flawless (IF): No inclusions and only minor blemishes visible under 10x magnification.
  • Very Slightly Included (VVS1-VVS2): Minute inclusions that are extremely difficult (VVS1) or veryb difficult (VVS2) to see under 10 x magnification.
  • Very Slightly Included (VS1-VS2): Minor inclusions that are fairly difficult (VS1) or fairly easy (VS2) to see under 10x magnification.
  • Slightly Included (SI1-SI2-SI3): Noticeable inclusions that are easy (SI1) or very easy (SI2) to see under 10x magnification. A small percentage of diamonds have inclusions that can be seen without magnification (SI3), but have little effect on appearance.
  • Included (I1-I2-I3): Significant inclusions that are usually visible (I1), easily visible (I2), or obvious (I3) without magnification. I2 diamonds may affect durability. I3 inclusions pose a definite threat to a diamond’s lasting power.

The 4 Cs Of Diamonds


The quality of a round brilliant cut has to do with the way light enters and exits the stone. A well-cut diamond will reflect light more than any other type of shape (square, oval, pear and so on).

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The colour scale used for describing different types of diamonds goes from D through Z when referring specifically to white coloured stones (colourless), but actually ranges all colours from blueish…

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(the size of your stone) is perhaps the most well-known “C” in diamond buying terms. The bigger your stone is, the more expensive it will be—and big stones can add up quickly.

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