====== Clarity (Diamond) ======
Quality feature

An important quality feature of [[diamond]]s is clarity (or purity). This is measured according to the type and number of inclusions that interfere with the flawlessness of the magnifier. The purer the diamond, the better it lets the light through.

=== Table of purity grades ===

^F|Flawless|
^IF|Internally flawless|
^VVS|Very very small inclusions|Very, very small internal features|
^VS|Very small inclusions|Very small internal features|
^SI|Small inclusions|Small internal features|
^I1|1st piqué|Clear inclusions|
^I2|2nd piqué|Large inclusions|
^I3|3rd piqué|Large, clearly visible inclusions|

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