Gemstone Clarity Chart

Gem clarity is an important factor used to evaluate the quality and value of a gemstone. A perfect stone with perfect clarity or clearness  is rare. Gemstone clarity grading has become increasingly important for the sales of gemstones and gemstone jewelry via the internet where customers cannot see the gemstones in person.

Gemstones Clarity Chart
AGLAIGSGIA
Type II
GIA Type II DescriptionAsia-GemsAsia-Gems  Description
F1FLVVS1 10Flawless or Internally Flawless
NFL
LI1LI1VVSVery Very Slightly Included - Minor inclusions9Minute, not under table, no affect on appearance
LI2LI28Minute, under table, little to no effect on appearance
MI1MI1VSVery Slightly Included -NOTICEABLE to Obvious7Minor, not under table, little to no effect on appearance
MI2MI2SI1Slightly Included - Noticeable to OBVIOUS6Minor, under table, slight effect on appearance, little to no effect on brilliance
HI1MI3SI2Slightly Included 2 - Obvious to Prominent5Obvious, not under table, slight effect on appearance and brilliance
HI2VI1I1Included 1 - Prominent - moderate effect on appearance or durability4Obvious, under table, significant effect on appearance and brilliance, slight effect on transparency.
EI1VI2I2Included 2 - Prominent - severe effect on appearance & durability3Prominent (draws the eye), under table, significant effect on appearance and brilliance and transparency
EI2H1I3Included 3 - Prominent - severe effect on beauty, transparency & durability2Numerous and Prominent throughout gem, severe effect on appearance, brilliance, transparency, and durability.
EI3H2DeclasseNot transparent1Numerous and Prominent throughout, gem not transparent, shows no brilliance.


GIA Clarity Grades Chart
GradesType IType IIType III
VVSVery Very Slightly Included- Minute to not detectable
Minute inclusions, difficult to see under 10X. Eye clean.
Very Very Slightly Included - Minor inclusions
Minor inclusions, somewhat easy to see with 10X. Usually eye clean.
Very Very Slightly Included - Noticeable to obvious
Noticeable inclusions under 10X. Usually eye clean.
VSVery Slightly Included - minor
Minor inclusions, somewhat easy to see with 10X. Usually eye clean.
Very Slightly Included - Noticeable to Obvious
Noticeable inclusions under 10X. May be eye visible.
Very Slightly Included - Noticeable to obvious
Obvious inclusions with 10X. May be eye visible.
SI1Slightly Included - Noticeable to obvious
Easily noticeable with 10X. Slightly visible to the unaided eye. Usually low relief.
Slightly Included - Noticeable to obvious
Obvious inclusions, large or numerous under 10X. Apparent to unaided eye.
Slightly Included - Obvious to prominent
Prominent to unaided eye.
SI2Slightly Included 2 - Obvious to noticeable
Easily visible to the unaided eye. Usually low relief.
Slightly Included 2 - Obvious to prominent
Obvious inclusions, large or numerous under 10X. Very apparent to unaided eye.
Slightly Included 2 - Obvious to prominent
Very prominent to unaided eye.
I1Included 1 - Prominent - moderate effect on appearance or durability
Moderate effect on appearance or durability.
Included 1 - Prominent   
Moderate effect on appearance or durability.
Included 1 - Prominent 
Moderate effect on appearance or durability.
I2Included 2 - Prominent  
Severe effect on appearance or durability.
Included 2 - Prominent 
Severe effect on appearance or durability.
Included 2 - Prominent 
Severe effect on appearance or durability.
I3Included 3 - Prominent 
Severe effect on both appearance and durability.
Included 3 - Prominent 
Severe effect on both appearance and durability.
Included 3 - Prominent 
Severe effect on both appearance and durability.
Dcl------------------Not transparent
Stones not transparent because of inclusions
 Type 1 Gemstones are gemstones that are normally found to be clean.Type 2 Colored Gemstones by their nature have natural inclusions.Type 3 Colored Gemstones by their nature have many natural inclusions. (Heavily Included is the norm)


GIA Gemstone Clarity Types 
Type I
Usually eye clean
Type II
Usually included
Type III
Almost always included
Aquamarine
Chrysoberyl, yellow and green
Heliodore
Morganite
Quartz, smoky
Spodumene, all
Tanzanite
Tourmaline, green
Zircon, blue
Diamond
Andalusite
Alexandrite
Corundum, all
Garnet, all
Iolite
Peridot
Quartz, amethyst, citrine, ametrine
Spinel, all
Tourmaline, all but green, red and watermelon
Zircon, all but blue
Emerald, Red Beryl,
Tourmaline: red and wa