What's Grade A B or C of jade?

What's Grade A B or C of jade?

What's Grade A B or C of jade?

About Grade A B or C, this only talk about Burmese Jadeite jade, Nephrite hasn't Grade A B or C.

* GIA Jadeite jade Certification: What is grade A, B, C jadeite jade? 

* Simple to know:

 * Grade A: Natural form, untreated. undyed jadeite jade;

 * Grade B: Chemically treated and resin infused, Treated jadeite jade,

 * Grade C: Treated and Dyed coloring Jadeite jade, ( C jadeite jade is almost   *     * Grade B+ C dyed Color )

 * Grade Fake: Imitation, glasses or plastic, resin...

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