What is A Diamond Clarity Chart?

Diamond clarity ratings and the clarity scale

FL – Flawless

FL diamonds are Flawless with no internal or external imperfections visible to a skilled grader under 10-power magnification.

IF – Internally flawless

IF diamonds are Internally Flawless but may have small surface blemishes visible under magnification.

VVS1 – Very, very slightly included, first degree

VVS diamonds are Very, Very Slightly Included with tiny inclusions that are difficult to see even under magnification. The “1” in this rating puts these particular diamonds at the top of their grade.

VVS2 – Very, very slightly included, second degree

VVS diamonds are Very, Very Slightly Included with tiny inclusions that are difficult to see even under magnification. The “2” in this ranking means that they are just beneath the VVS1 rating.

VS1 – Very slightly included, first degree

VS diamonds are Very Slightly Included with minor inclusions that range from difficult (VS1) to easier (VS2) to see under magnification. The “1” in this rating makes them slightly superior to VS2 diamonds.

VS2 – Very slightly included, second degree

VS diamonds are Very Slightly Included with minor inclusions that range from difficult (VS1) to easier (VS2) to see under magnification. The “2” in this rating puts them just below VSI diamonds.

SI1 – Slightly included, first degree

SI diamonds are “Slightly Included.” Inclusions might not be visible to the naked eye, but are easy to see when under magnification. The “1” in this rating makes them slightly superior to SI2 diamonds.

SI2 – Slightly included, second degree

SI diamonds are “Slightly Included.” Inclusions might not be visible to the naked eye, but are easy to see when under magnification. The “2” in this rating makes them slightly inferior to SI1 diamonds.