|
Flawless: No internal or external flaws. Extremely rare.
Internally Flawless: no internal flaws, but some surface flaws. Very rare.
Very Very Slightly Included (two grades). Minute inclusions very difficult to detect under 10x magnification by a trained gemologist.
Very Slightly Included (two grades). Minute inclusions seen only with difficulty under 10x magnification.
Slightly Included (two grades). Minute inclusions more easily detected under 10x magnification.
|
||||||||||||||||||||||||
|
||||||||||||||||||||||||