Clarity refers to an objects transparency or purity. This is a very important characteristic for diamonds. To determine a diamond’s clarity the placement, appearance, and number of inclusions, blemishes, or flaws are noted. The number of inclusions, blemishes, or flaws can affect the opacity of the diamond, its sparkle, and its overall brilliance.
The Gemological Institute of America (GIA) is a not for profit institution dedicated to research and education in the field of gemology. The GIA is responsible for creating a gem scale to rate diamonds clarity.
The scale is as follows:
Flawless(FL): This refers to a diamond that does not have any blemishes or inclusions at all when viewed under a 10x magnification by an experienced diamontologist.
Internally Flawless(IF): This refers to a diamond that does not have any inclusions, but may have some minor blemishes when observed by a certified diamontologist under a 10x magnification.
Very Very Slightly Included(VVS1 and VVS2): This refers to a diamond that has very tiny inclusions. These inclusions will be hard, even for an experienced diamontologist, to see when using a 10x...