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THE DEFINITIVE TANZANITE BUYER'S GUIDE
This Tanzanite Buyer's Guide is the authority on buying tanzanite. Tanzanite is one of the worlds's rarest gemstones, with only a single source at the foothills of Mount Kilimanjaro, tanzanite's supply is finite.
After reading this Guide, you will be able to choose the tanzanite that is best for you, based on the 4 C's criteria These guidelines are upheld by the Tanzanite Foundation, as a non-profit industry supported organization we are dedicated to protecting tanzanite's integrity.
Don't buy tanzanite before you have read and understood this Guide.
 Color (Bv or vB plus:)
| Clarity | Cut |
|---|
Ve Vivid exceptional
| IF Internally Flawless
| A Excellent
| V1 Vivid 1
| EF Eye Flawless
| B Fine
| V2 Vivid 2
| N Natural
| C Good
| | I1 Intense 1 | SI Slightly Included
| D Fair
| | I2 Intense2 | HI Heavily Included | E Poor
| F1 Fancy1
| The Tanzanite Quality Scale is a propiertary grading system belonging to the Tanzanite Foundation and may not be used without the Tanzanite Foundation's express written consent. | F2 Fancy 2
| L1 Light 1
| | L2 Light 2 | P Pale
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