GIA Clarity Grading System
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The chart shown above is intended to demonstrate the differences in grading for the various gem types recognized by the GIA clarity grading system.
A special clarity grading scale for diamonds only. |
Aquamarine, Green Beryl, Morganite, Heliodor Green or Yellow Chrysoberyl Smokey Quartz Spodumene Green Kunzite Blue, Yellow, Orange, Pink or Red Topaz Green Tourmaline Blue Zircon Tanzanite |
Andalusite Alexandrite Sapphire or Ruby Garnet Iolite Peridot Amethyst, Citrine or Ametrine Spinel Blue, Orange, Yellow or Multi-colored Tourmaline (except watermelon) Green, Orange, Red or Yellow Zircon |
Bixbite Emerald Red. Pink or Watermelon Tourmaline |
