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Natural Zoisite - Tanzanite

Forma: Round
Peso: 0.55 ct.
Medidas: 4.89-4.98 x 2.97 mm
Color: Light Blue
Pureza: Transparente
Claridad: VS (opinión del vendedor)
Tratamiento: Tanzanite is commonly heated at low temperature to improve its color. There is currently no scientific method available to determine whether this gemstone has been enhanced or not.
Origen: Tanzania
Certificado: ALGT (B)
Número de certificación: 48309010
Mes natal en Octubre

Se envía bien embalado
Certificado con número de seguimiento

Las imágenes no son fieles a la escala, por eso en esta descripción vienen las medidas exactas de la piedra para que puedas hacerte una buena idea del tamaño

Tanzania - Round - ALGT (B)

VS Light Blue Tanzanite - 0.55 ct

Gemstones

Reserve price

No reserve price

Closing date

tomorrow

Tuesday

Sunday

Wednesday

Monday

Thursday

20 February

21 February

22 February

Budget

From

Location

Thailand

India

Germany

Spain

Italy

The Netherlands

Israel

Portugal

Singapore

United Kingdom

France

Belgium

Poland

Sweden

Switzerland

United States

Canary Islands

Japan

Bulgaria

Austria

Ireland

Slovak Republic

Czech Republic

Greece

Hong Kong

Object

Faceted gemstone

Gemstone cabochon

Country of origin

No origin given

Zambia

Sri Lanka

Myanmar/Burma

Tanzania

Ethiopia

Colombia

Mozambique

Africa

Brazil

Pakistan

Madagascar

Afghanistan

Türkiye

Russia

Nigeria

Vietnam

Bolivia

Australia

Cambodia

Tajikistan

Unknown

Stone

Sapphire

Emerald

Tanzanite

Spinel

Opal

Aquamarine

Topaz

Tourmaline

Ruby

Kunzite

Garnet

Peridot

Amethyst

Tsavorite

Tourmaline paraiba

Fluorite

Citrine

Spodumene

Sphalerite

Ametrine

Beryl

Sapphire padparadscha

Alexandrite

Sphene

Zircon

Certification

International Colored Gemstone Association (ICA GemLab)

International Gemological Institute (IGI)

Antwerp Laboratory for Gemstone Testing (ALGT)

Gemological Institute of America (GIA)

Instituto Gemólogico Español (IGE)

Gem Report Antwerp (GRA)

Gem research Swiss Lab (GRS)

Bellerophon Gemlab

Lotus Gemology

Asian Institute of Gemological Sciences (AIGS)

Guild Gem Laboratory

GEM-TECH Istituto Gemmologico

Gemewizard Gemological Laboratory (GWLab)

International Jewellery & Gems Certifiers (IJGC)

Gübelin Gem Lab

Colour

Green

Blue

Pink

Yellow

Violet

Purple

Orange

White

Brown

Multicolour

Grey

Bi-colour

Colourless

Black

Oval

Mixed cut

Cushion

Pear

Modified brilliant cut

Octagon

Step cut

Brilliant cut

Faceted cut

Emerald cut

Cabochon cut

Round

Rectangle

Heart

Modified cut

Square

Triangle

Fancy

Pear shape cut

Marquise

Drop

Fantasy

Cut cornered square

Mixed shape

Clarity

Eye clean

Slight

Loupe clean

Moderate

Heavy

Severe

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

Irradiation

Fracture healing / filling

Impregnation

Oiled

Gemstone transparency

Transparent

Semi-transparent

Translucent

Opaque

Semi-translucent

Pearl luster

Excellent

Very good

Good

Fair

Optical effect (gemstones)

Play of colour

Colour change

Fluorescence

Gemstones

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VS Light Blue Tanzanite - 0.55 ct

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