On the other hand the lowest clarity grade is abbreviated as i3 and it represents a severely included diamond that typically has ugly eye visible flaws.
Diamond clarity grade chart.
A diamond grading report should come with a plot or visual diagram of the stone s inclusions.
Almost all diamonds are graded for clarity using the 11 point diamond clarity scale created by the gia including diamonds which were not actually graded by gia every lumera diamond is gia certified in grading diamond clarity the gia considers the number size color reflectivity and position of every flaw visible under 10x magnification.
Many inclusions and blemishes are too tiny to be seen by anyone other than a trained diamond grader.
If the inclusion is situated in closer proximity to the center of the table then the clarity grade will be impacted much more.
This plot helps identify the diamond and also helps the buyer understand the diamond s clarity characteristics.
You can see examples of these to the left of the photos in the diamond clarity grades section above.
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.
Very slightly included diamonds with a clarity grade of 3 or 4 vs1 or vs2 have minor inclusions.
The clarity grade of a diamond will be much lower when there is the presence of several different clarity characteristics.
Diamond clarity chart an overview and visualization.
Ags 5 6 or 7.
A flawless diamond is one that doesn t have any external blemishes or inclusions and is abbreviated as fl.