Many inclusions and blemishes are too tiny to be seen by anyone other than a trained diamond grader.
Diamond cut and clarity scale.
The clarity scale was developed by the gemological institute of america gia to quantify these imperfections.
In step cut shapes such as emerald cut and asscher cut diamonds the shallow pavilion and open table accentuate the clarity of the stone and can make characteristics more easily visible.
Inclusions are solids liquids or gases that were trapped in a mineral as it formed.
For round cut diamonds under 1 carat a vs2 or si1 clarity grade will give you an eye clean diamond sometimes even si2 doesn t have visible inclsuions.
A diamond with a clarity grade of 1 or 2 vvs1 or vvs2 has minute inclusions that are difficult for a skilled grader to see under 10x magnification.
This short video explains the gia clarity scale and how gia classifies diamonds with a clarity grade ranging from flawless to i 3 by using a 10x magnification loupe and a microscope to see and plot the diamond s inclusions.
The importance of diamond clarity is affected by the other diamond qualities such as shape and size.
Very slightly included diamonds with a clarity grade of 3 or 4 vs1 or vs2 have minor inclusions.
For round cut diamonds 1 carat or over a vs1 or vs2 will give you an eye clean stone.
Ags 5 6 or 7.
Ags 3 or 4.
The larger the diamond carat weight can be a factor the easier it is to see.
Diamond clarity is the quality of diamonds that relates to the existence and visual appearance of internal characteristics of a diamond called inclusions and surface defects called blemishes clarity is one of the four cs of diamond grading the others being carat color and cut.