RESERVED FOR CUSTOMER 5.40ct Tanzanite oval gemstone 13.65mm x 10.45 x 5.23

Item Information

Dimensions (mm) 13 x 10 x 5mm
Weight (carats) 5.4 carats
Certified Gemstone

ShangrilaGems

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This is sensational - a deep purple blue color. Good cut and very good clarity. The gem is beautiful regardless of the not 100% solid saturation which can be seen in the photo. It is a shallow cut gem with a slight window which always disappears with clever setting - and it is a bargain! Please note there is some reflection of camera equipment in a couple of the images which gives dark tones to the facets that do not exist. With the extortionate price of Tanzanite at the moment a good value gem is hard to find - a perfect cut, perfect saturation and clarity is costing the earth!

Please consider the level of magnification of this gem which is way beyond the 10 times magnification used for grading - we use a Nikon camera and top of the range Macro lens and a light tent. So some of the flaws you may see in the photo you will not even see with a magnifier. The certificate for the gemstone will be included in the sale and it was certified by a friend of ours who is a Fellow of the Gemmological Association of Great Britain.

GEM TYPE :Tanzanite

COLOR Bluish Purple WEIGHT :5.40ct SHAPE oval cut CLARITY VVS1 (Very Very slight inclusions under 10 times magnification) DIMENSIONS 13.65 by 10.45 by 5.23mm ORIGIN :Arusha, Tanzania TREATMENT:Gentle heat only * All Tanzanite is heated. See article on Tanzanite on our blog

Empirical Formula:(Ca2Al3(SiO4)(Si2O7)O(OH))

Hardness Mohs (10 is diamond and 1 in Talc/soapstone) 6.5 to 7

Refractive Index 1.69

$1,349.00 USD

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Pricing & Details

Auction ID 702076
Watchers 6 watching
Viewed 1,060 times
Starts 10th Oct 2017 10:25pm PDT

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