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Ghene Menezes

17 December 2024
1830011881 AN
Identification .................................... Natural Topaz
Shape And Cutting Style ................... Pear Mixed Cut
Measurements (In Mm) ................... 33.62 x 24.53 x 14.22

Grading Results
Weight (In Carat) .............................. 77.42
Transparency .................................... Transparent
Color ................................................. Blue

Comments
Topaz is commonly treated by heat and/or
irradiation to improve its color.

Commonly heated with no evidence of treatment

1 pcs  Blue Topaz  - 77.42 ct - Gem Report Antwerp (GRA)

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Country of origin

No origin given

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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)

Gem Report Antwerp (GRA)

Bellerophon Gemlab

Lotus Gemology

Gem research Swiss Lab (GRS)

Asian Institute of Gemological Sciences (AIGS)

Guild Gem Laboratory

GEM-TECH Istituto Gemmologico

Istituto Gemmologico Italiano (IGI)

No laboratory report

International Jewellery & Gems Certifiers (IJGC)

Laboratoire Français de Gemmologie (LFG)

Colour

Green

Blue

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Brown

White

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Colourless

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Mixed cut

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Clarity

Eye clean

Slight

Moderate

Loupe clean

Heavy

Severe

Treatment

No evidence of treatment

Heat treatment

Oiling

No heat treatment

Clarity enhancement

Not specified in the report

Commonly irradiated with no evidence of treatment

Irradiation

Fracture healing / filling

Gemstone transparency

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Pearl luster

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Optical effect (gemstones)

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1 pcs Blue Topaz - 77.42 ct - Gem Report Antwerp (GRA)

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