
Diamond Quality Review Guide by Doctor20000

Clarity Grading System
Type I - Gemstones
Beryl
Aquamarine
Green/Yellow Beryl
Chrysoberyl
Green
Yellow
Quartz
Smokey
Spodumene
Kunzite
Green Spodumene
Topaz
Blue
Yellow
Orange
Pink
Red
Tourmaline
Green
Zircon
Blue
Zoisite
Tanzanite
All other colors of Zoisite Type I - Clarity
VVS OR Loupe Clean- Very, Very Slightly Included (the best) Minute inclusions
that are difficult to see using 10X, and are not visible at all to the naked eye.
VS OR Very Slight- Very Slightly Included Minor inclusions that are easier
to see using 10X, but still not visible to the naked eye.
SI1 OR Slight - Slightly Included I The inclusions are easily seen using 10X,
and are noticeable with the naked eye.
SI2 OR Slight-Moderate- Slightly Included 2 The inclusions are more easily seen using 10X,
and are quite visible with the naked eye.
I1 OR Moderate- Included 1 The inclusions are very obvious and they have a
moderate negative effect on the over-all appearance or durability of the gemstone.
I2 OR Heavily Included- Included 2 The inclusions are very obvious and they have
a severe negative effect on the over-all appearance or durability of the gemstone.
I3 OR Very Heavily Included- Included 3 The inclusions are very obvious and they have
a severe negative effect on both the over-all appearance and durability of the gemstone
Type 2- Gemstones
Andalusite
All Colors
Chrysoberyl
Alexandrite
Corundum
Ruby
All colors of Sapphire
Garnet
All species and colors
Iolite
Peridot
Quartz
Amethyst
Citrine
Ametrine
Spinel
Tourmaline
Blue
Orange
Yellow
Multi-colored (except watermelon color)
Zircon
Green
Orange
Red
Yellow
Type 2 - Clarity
VVS OR Very Very Slight - Very, Very Slightly Included (the best) Minor inclusions
that are somewhat easy to see using 10X, but still not visible to the naked eye.
VS OR Very Slight - Very Slightly Included Noticeable inclusions that are easier to
see using 10X, and may be slightly visible to the naked eye.
SI1 OR Slight - Slightly Included I The inclusions are easily seen using 10X and are
large or numerous, and are noticeable with the naked eye.
SI2 OR Slight-Moderate - Slightly Included 2 The inclusions are easily seen
using 10X and are large or numerous, and are very noticeable with the naked eye.
I1 OR Moderate- Included 1 The inclusions are very obvious and they have a
moderate negative effect on the over-all appearance or durability of the gemstone.
I2 OR Heavily Included- Included 2 The inclusions are very obvious and they
have a severe negative effect on the over-all appearance or durability of the gemstone.
I3 OR Very Heavily Included - Included 3 The inclusions are very obvious and
they have a sever negative effect on both the over-all appearance and durability of
the gemstone.
Type 3 - Gemstones
Beryl
Emerald
Tourmaline
Red
Pink
Watermelon (green transitioning to pink or red) Type 3- Clarity
VVS OR Very Very Slight- Very, Very Slightly Included (the best) Noticeable inclusions
that are easy to see using 10X, but usually not visible to the naked eye.
VS OR Very Slight - Very Slightly Included Obvious inclusions that are easy to see using
10X, and visible to the naked eye.
SI1 OR Slight - Slightly Included I The inclusions are large and numerous using 10X,
and prominent with t
Review ID: 10000000006576322

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