4.16Ct. TANZANITE [G.I.S.A. CERTIFIED] Rare! Bluish Violet - Bluish Green, Untreated (Value:R37440)

BIG! 4.16Ct. Rare! [G.I.S.A. CERTIFIED] Bluish Violet- Blueish Green Untreated TANZANITE (Value: R37440)

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Pictures are of the Actual Item up for Auction and are Magnified.

 GISA Certificate Included (As seen above)

PRODUCT DESCRIPTION

Product Type - Natural Tanzanite

Origin             - Tanzania

Weight           - 4.16Ct.

Size               - 10.87 x 8.65 x 6.28 mm

Colour            - Intense-Vivid Bluish Violet - Bluish Green (Rare)

Clarity            - VVS

Treatment      - None

Hardness       - 6-7

Shape            - Oval Cut

GIA CLARITY GRADES:

Type I - {Aquamarine, Chrysoberyl (Yellow and Green), Heliodore, Morganite, Quartz (Smoky), Spodumene, Tanzanite, Tourmaline (Green), Zircon (Blue)}

VVS  -  Minute inclusions, difficult to see under 10X. Eye clean.
VS    -  Minor inclusions, somewhat easy to see with 10X. Usually eye clean.
SI1   -  Easily noticeable with 10X. Slightly visible to the unaided eye. Usually low relief.
SI2   -  Easily visible to the unaided eye. Usually low relief.
I1     -  Moderate effect on appearance or durability.
I2     -  Severe effect on appearance or durability.
I3     -  Severe effect on both appearance and durability

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