SYMBOL | MEANING | DEFINITION |
F | Flawless | Free from all inclusions and blemishes |
IF | Internally Flawless | No inclusions visible at 10x magnification |
WS1 | Very, Very Slightly Included | Inclusions that are extremely difficult to locate at 10x |
WS2 | Very, Very Slightly Included | Inclusions that are very difficult to locate at 10x |
VS1 | Very Slightly Included | Minor inclusions that are difficult to locate at 10x |
VS2 | Very Slightly Included | Minor inclusions that are somewhat difficult to locate at 10x |
SI1 | Slightly Included | Noticeable inclusions that are easy to locate at 10x |
SI2 | Slightly Included | Noticeable inclusions that are very easy to locate at 10x |
SI3 | Slightly Included | Some inclusions may be seen with the unaided eye |
I1 | Included | Obvious inclusions. Somewhat easy to locate with the unaided eye |
I2 | Included | Obvious inclusions. Easy to locate with the unaided eye |
I3 | Included | Obvious inclusions. Very easy to locate with the unaided eye |