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Ghene Menezes

17 December 2024
1830011884 AN
Identification .................................... Natural Topaz
Shape And Cutting Style ................... Pear Mixed Cut
Measurements (In Mm) ................... 28.31 x 27.61 x 18.55

Grading Results
Weight (In Carat) .............................. 102.32
Transparency .................................... Translucent
Color ................................................. Blue

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

Commonly heated with no evidence of treatment-  Lab report: 1830011884

1 pcs  Blue Topaz  - 102.32 ct - Gem Report Antwerp (GRA)

Gemstones

Reserve price

No reserve price

Closing date

tomorrow

Saturday

Friday

Sunday

today

Monday

Tuesday

Budget

From

Location

Thailand

India

The Netherlands

Spain

Germany

Italy

Singapore

Portugal

United Kingdom

France

Poland

United States

Belgium

Hong Kong

Switzerland

Canary Islands

Bulgaria

Slovak Republic

Greece

Austria

Ireland

Taiwan

Israel

Norway

Romania

Object

Faceted gemstone

Gemstone cabochon

Country of origin

No origin given

Zambia

Tanzania

Sri Lanka

Myanmar/Burma

Mozambique

Brazil

Russia

Madagascar

Ethiopia

Africa

Nigeria

Vietnam

Bolivia

Unknown

Pakistan

Colombia

Afghanistan

Türkiye

Australia

Uruguay

Stone

Sapphire

Emerald

Spinel

Tanzanite

Tourmaline

Topaz

Aquamarine

Opal

Ruby

Tsavorite

Amethyst

Garnet

Fluorite

Citrine

Kunzite

Alexandrite

Tourmaline paraiba

Rhodolite

Ametrine

Peridot

Beryl

Hessonite

Fire Opal

Zircon

Sapphire padparadscha

Certification

International Gemological Institute (IGI)

International Colored Gemstone Association (ICA GemLab)

Antwerp Laboratory for Gemstone Testing (ALGT)

Instituto Gemólogico Español (IGE)

Gem Report Antwerp (GRA)

Bellerophon Gemlab

Lotus Gemology

Gemological Institute of America (GIA)

Gem research Swiss Lab (GRS)

Asian Institute of Gemological Sciences (AIGS)

Guild Gem Laboratory

GEM-TECH Istituto Gemmologico

Istituto Gemmologico Italiano (IGI)

CISGEM (Centro informazioni e servizi gemmologici)

Colour

Blue

Green

Pink

Purple

Yellow

Violet

Orange

Multicolour

Brown

White

Grey

Bi-colour

Black

Colourless

Mixed cut

Oval

Cushion

Pear

Faceted cut

Modified brilliant cut

Step cut

Octagon

Emerald cut

Brilliant cut

Cabochon cut

Round

Modified cut

Rectangle

Heart

Square

Triangle

Pear shape cut

Fancy

Cut cornered square

Fantasy

Marquise

Drop

Trilliant cut

Clarity

Eye clean

Moderate

Slight

Loupe clean

Heavy

Severe

Treatment

No evidence of treatment

Heat treatment

No heat treatment

Oiling

Commonly heated with no evidence of treatment

Not specified in the report

Clarity enhancement

Commonly irradiated with no evidence of treatment

Irradiation

Fracture healing / filling

Gemstone transparency

Transparent

Semi-transparent

Translucent

Opaque

Optical effect (gemstones)

Colour change

Fluorescence

Play of colour

Opalescence

Asterism

Iridescence

Adularescence

Chatoyancy

Pearl luster

Good

Excellent

Very good

No origin given - Clarity enhancement-  Lab report: 772694609

No reserve price - 1 pcs  Green Tsavorite  - 4.44 ct - International Gemological Institute (IGI)

Gemstones

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1 pcs Blue Topaz - 102.32 ct - Gem Report Antwerp (GRA)

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