Gemstone Clarity ChartGem 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 ChartAGL | AIGS | GIA Type II | GIA Type II Description | Asia-Gems | Asia-Gems Description | F1 | FL | VVS1 | | 10 | Flawless or Internally Flawless | NFL | LI1 | LI1 | VVS | Very Very Slightly Included - Minor inclusions | 9 | Minute, not under table, no affect on appearance | LI2 | LI2 | 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 ChartGrades | 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 wa |
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