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DIAMOND CLARITY

DIAMOND CLARITY

Most natural diamonds are formed at high temperature and pressure at depths of 140 to 190 kilometers (87 to 118 mi) in the Earth’s mantle.  Carbon-containing minerals provide the carbon source, and the growth occurs over periods from 1 billion to 3.3 billion years.
Because they are formed deep within the earth, under extreme heat and pressure; virtually all diamonds contain “birthmarks”; small imperfections inside the diamond (called inclusions).

Many of these imperfections are microscopic, and do not affect a diamond’s beauty in any discernible way.
Clarity is one of the four Cs  of diamond grading .Clarity refers to the degree from which a diamond is free from inclusions. Diamonds are assigned clarity grades based on what can be detected at a standard 10x magnification.

Inclusions may be crystals of a foreign material or another diamond crystal, or structural imperfections such as tiny cracks that can appear whitish or cloudy.

The impurities in diamond create a “fingerprint” that is unique for every diamond. In that regard they are quite helpful in providing identifying  characteristics. Clarity’s influence on value is directly related to the concept of rarity. Clarity scale includes eleven clarity grades ranging from Flawless to I3. Flawless diamonds are very rare and don’t have visible inclusions or blemishes. At the lower end of the scale are diamonds with inclusions that can easily be seen by the unaided eye.

No two diamonds are alike.  Each diamond will poses its own unique set of inclusions and placement of inclusions.  Hence, within a grading class, the range of inclusion may differ considerably.  Never rule out a diamond just because it’s in the same clarity grade as the one you’re looking at.

Diamond Clarity Chart

fl-if . No visible inclusions or surface blemishes. No internal inclusions at 10x magnification.

VVS1. Very Very slightly included 1-inclusions extremely difficult to see at 10x magnification.

VVS2. Very Very slightly included 2-inclusions extremely difficult to see at 10x magnification.

VS1.
  Very Slightly Included 1 – inclusions difficult to see at 10x magnification.

VS2.   Very Slightly Included 2 – inclusions somewhat difficult to see at 10x magnification.

SI1.    Slightly Included 1 – inclusions somewhat easy to see at 10x magnification, can sometimes be seen with naked eye.

SI2.    Slightly Included 2 – inclusions very noticeable at 10x magnification, more noticeable with naked eye than SI1

SI3.    Slightly Included 2 – inclusions very noticeable at 10x magnification,  possible to see with naked eye.

I1-I2-I3 .  inclusions obvious with 10x magnification, and can be seen with naked eye.

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