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The "C" of clarity refers to a stone's purity. Clarity is evaluated by viewing the stone under 10X magnification. Virtually all diamonds contain tiny natural birthmarks that are present to varying degrees. After all, nature is rarely perfect, and that extends to diamonds! These marks serve as the identifying "fingerprint" that makes every stone unique.
These tiny identifying marks consist of "naturals" on the outside or inclusions on the inside of the stone. Inclusions refer to anything that is trapped within the diamond crystal. Nearly all diamonds, even those of the highest quality, have some inclusions, which fall into these categories:
While there are several grading systems used in the industry, the most recognized and commonly used system is the one developed by the Gemological Institute of America (GIA).
Use your mouse to move the loupe over each grade of diamond. Then click the red button to see its individual inclusions.
| FL | Flawless. Shows no inclusions or blemishes of any sort under 10X magnification when observed by an experienced grader. Extremely rare. |
| IF | Internally Flawless. Has no inclusions when examined by an experienced grader using 10X magnification. Very rare. |
| VVS1, VVS2 | Very, Very Slightly Included. Contains minute inclusions that are difficult even for experienced graders to see under 10X magnification. |
| VS1, VS2 | Very Slightly Included. Contains minute inclusions when observed with effort under 10X magnification. |
| SI1, SI2 | Slightly Included. Contains inclusions that are noticeable to an experienced grader under 10X magnification. |
| I1 | Imperfect. Obvious inclusions. Visible without magnification, but not at a quick glance. |
| I2, I3 | Imperfect. Obvious inclusions. Visible without magnification, and without having to look very hard to notice them. |