Gemstone Clarity Chart Precious/Semi-precious Stone/Gem Clarity Grade-- e-Tools Age

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.


Gemstone Chart	Gemstone Hardness Chart	Gemstone Clarity Chart	Gemstone Cut Shape Chart

Gemstones Clarity Chart

AGL	AIGS	GIA Type II	GIA Type II Description	Asia-Gems	Asia-Gems Description
F1	FL	VVS1		10	Flawless or Internally Flawless
F1	NFL	VVS1		10	Flawless or Internally Flawless
LI1	LI1	VVS	Very Very Slightly Included - Minor inclusions	9	Minute, not under table, no affect on appearance
LI2	LI2	VVS	Very Very Slightly Included - Minor inclusions	8	Minute, under table, little to no effect on appearance
MI1	MI1	VS	Very Slightly Included -NOTICEABLE to Obvious	7	Minor, not under table, little to no effect on appearance
MI2	MI2	SI1	Slightly Included - Noticeable to OBVIOUS	6	Minor, under table, slight effect on appearance, little to no effect on brilliance
HI1	MI3	SI2	Slightly Included 2 - Obvious to Prominent	5	Obvious, not under table, slight effect on appearance and brilliance
HI2	VI1	I1	Included 1 - Prominent - moderate effect on appearance or durability	4	Obvious, under table, significant effect on appearance and brilliance, slight effect on transparency.
EI1	VI2	I2	Included 2 - Prominent - severe effect on appearance & durability	3	Prominent (draws the eye), under table, significant effect on appearance and brilliance and transparency
EI2	H1	I3	Included 3 - Prominent - severe effect on beauty, transparency & durability	2	Numerous and Prominent throughout gem, severe effect on appearance, brilliance, transparency, and durability.
EI3	H2	Declasse	Not transparent	1	Numerous and Prominent throughout, gem not transparent, shows no brilliance.

GIA Clarity Grades Chart

Grades	Type I	Type II	Type III
VVS	Very 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.
VS	Very 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.
SI₁	Slightly 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.
SI₂	Slightly 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.
I₁	Included 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.
I₂	Included 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.
I₃	Included 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 watermelon

Related Link: Diamond Clarity Chart