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The finest objects brought to you by {name}

Alberto Fidalgo



À collectionner ou à monter en original bijou de valeur. 
Pierre très appréciée et utilisée en Haute Joaillerie. 

Dimensions : 18.7 x 13.6 x 8.2 mm.
Envoi sécurisé et assuré avec suivi de livraison. 

Brazil - Commonly irradiated with no evidence of treatment

Topaz  - 20.76 ct - No laboratory report

Gemstones

Reserve price

No reserve price

Closing date

Sunday

tomorrow

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10 April

11 April

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13 April

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Location

Thailand

India

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Switzerland

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Austria

Slovak Republic

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Cyprus

Greece

United States

Sweden

Ireland

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Object

Faceted gemstone

Gemstone cabochon

Country of origin

Zambia

No origin given

Sri Lanka

Tanzania

Myanmar/Burma

Brazil

Russia

Ethiopia

Colombia

Mozambique

Africa

Madagascar

Nigeria

Pakistan

Mali

Unknown

Mexico

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Vietnam

Stone

Sapphire

Emerald

Tanzanite

Topaz

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Kunzite

Citrine

Tourmaline paraiba

Rhodolite

Ametrine

Zircon

Hessonite

Spodumene

Alexandrite

Fire Opal

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)

Gemological Institute of America (GIA)

Bellerophon Gemlab

Lotus Gemology

Asian Institute of Gemological Sciences (AIGS)

Gem research Swiss Lab (GRS)

Guild Gem Laboratory

Istituto Gemmologico Italiano (IGI)

GEM-TECH Istituto Gemmologico

Gübelin Gem Lab

No laboratory report

Gemewizard Gemological Laboratory (GWLab)

Anchor Cert

Netherlands Gem Laboratory (NEL)

The London Gem and Pearl Laboratory

Colour

Blue

Green

Purple

Yellow

Pink

Violet

Orange

White

Multicolour

Brown

Bi-colour

Grey

Colourless

Black

Oval

Mixed cut

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Octagon

Faceted cut

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Step cut

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Round

Cabochon cut

Heart

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Rectangle

Modified cut

Triangle

Fancy

Pear shape cut

Mixed shape

Marquise

Fantasy

Cut cornered square

Squared emerald cut

Clarity

Eye clean

Slight

Moderate

Loupe clean

Heavy

Severe

Treatment

No evidence of treatment

Heat treatment

Oiling

No heat treatment

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

Semi-translucent

Opaque

Pearl luster

Excellent

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Gemstones

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Topaz - 20.76 ct - No laboratory report

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