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IGE - Gemological report:	 D-12062
Gemstone:	 Swiss Blue Topaz
Weight: 14.77 ct 
Measurements: 16.92 x 13.01 x 8.83 mm
Colour:	 Blue (Swiss Blue)
Shape and Cut:	 Oval
Cut quality:	 Very good
Transparency:	 Transparent
Shine:	 Very good
Clarity:	 VVS
Origin:	 Brazil (Seller's opinion, not authenticated by the laboratory.)
Note: 	 Blue topaz is commonly irradiated to create this colour. It can not be determined whether irradiation has improved this precious stone.


All photos are of the gemstone for sale.
The photos are taken at over 10x magnification, so, in fact (to the naked eye) fewer inclusions are visible in the gemstone and it looks cleaner.

SHIPPING:
Delivery via registered post usually takes 1-2 weeks.
The buyer is responsible for any charges derived from customs duties and/or taxes that may arise in the delivery process.

Oval

Blue Topaz Swiss Blue - 14.77 ct

Gemstones

Reserve price

No reserve price

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tomorrow

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11 March

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Object

Faceted gemstone

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Country of origin

No origin given

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Unknown

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Certification

International Gemological Institute (IGI)

International Colored Gemstone Association (ICA GemLab)

Antwerp Laboratory for Gemstone Testing (ALGT)

Instituto Gemólogico Español (IGE)

Gemological Institute of America (GIA)

Bellerophon Gemlab

Gem Report Antwerp (GRA)

Gem research Swiss Lab (GRS)

Asian Institute of Gemological Sciences (AIGS)

Lotus Gemology

Gemewizard Gemological Laboratory (GWLab)

Guild Gem Laboratory

No laboratory report

GEM-TECH Istituto Gemmologico

International Jewellery & Gems Certifiers (IJGC)

Gübelin Gem Lab

Istituto Gemmologico Italiano (IGI)

Colour

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Clarity

Eye clean

Slight

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Loupe clean

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Treatment

No evidence of treatment

No heat treatment

Oiling

Heat treatment

Commonly heated with no evidence of treatment

Not specified in the report

Clarity enhancement

Commonly irradiated with no evidence of treatment

Fracture healing / filling

Surface diffusion

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Gemstone transparency

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Pearl luster

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Blue Topaz Swiss Blue - 14.77 ct

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