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The allure of gemstones, brought to you by {name}

Purificacion Aquino Garcia

25 September, 2023

Algt Colored Stone Identification Report # 29674548

Identification

Species ................................................................................ Natural Quartz
Variety ............................................................................................ Amethyst

Description

Shape & Cutting Style ........................... Modified Pear, Mixed Cut
Measurements ......................................... 25.34 X 24.89 X 13.92 Mm
Carat Weight ........................................................................... 50.84 Carat
Color ...................................................................................... Intense Purple
Transparency ......................................................................... Transparent

Comments

No Indication Of Treatment.

Pear - ALGT (B)

1 pcs Intense Purple Amethyst - 50.84 ct

Gemstones

Reserve price

No reserve price

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Closing date

Tuesday

tomorrow

Wednesday

8 March

Friday

Saturday

Thursday

today

Budget

From

Location

Thailand

Germany

Spain

The Netherlands

India

Israel

Italy

Portugal

Singapore

United Kingdom

Belgium

France

Switzerland

Poland

Bulgaria

Sweden

Hong Kong

Canary Islands

Cyprus

Ireland

United States

Slovak Republic

Norway

Austria

Taiwan

Object

Faceted gemstone

Gemstone cabochon

Country of origin

No origin given

Zambia

Sri Lanka

Tanzania

Ethiopia

Myanmar/Burma

Colombia

Madagascar

Africa

Brazil

Mozambique

Pakistan

Türkiye

Afghanistan

Russia

Nigeria

Bolivia

Asia

Kenya

Namibia

Unknown

Stone

Sapphire

Emerald

Tanzanite

Spinel

Opal

Aquamarine

Topaz

Tourmaline

Peridot

Kunzite

Garnet

Ruby

Tsavorite

Amethyst

Sphalerite

Citrine

Fluorite

Zircon

Alexandrite

Tourmaline paraiba

Sapphire padparadscha

Apatite

Ametrine

Spessartite

Diaspore

Certification

International Gemological Institute (IGI)

International Colored Gemstone Association (ICA GemLab)

Antwerp Laboratory for Gemstone Testing (ALGT)

Gemological Institute of America (GIA)

Instituto Gemólogico Español (IGE)

Gem Report Antwerp (GRA)

Bellerophon Gemlab

Lotus Gemology

Gem research Swiss Lab (GRS)

Asian Institute of Gemological Sciences (AIGS)

Guild Gem Laboratory

Netherlands Gem Laboratory (NEL)

Gübelin Gem Lab

Istituto Gemmologico Italiano (IGI)

Gemewizard Gemological Laboratory (GWLab)

Anchor Cert

Deutsche Stiftung Edelsteinforschung (DSEF)

Colour

Blue

Green

Pink

Violet

Purple

Yellow

Orange

White

Brown

Multicolour

Grey

Bi-colour

Colourless

Oval

Mixed cut

Cushion

Pear

Octagon

Modified brilliant cut

Brilliant cut

Step cut

Faceted cut

Emerald cut

Round

Cabochon cut

Heart

Rectangle

Square

Modified cut

Triangle

Fancy

Pear shape cut

Drop

Marquise

Mixed shape

Cut cornered square

Squared emerald cut

Clarity

Eye clean

Slight

Moderate

Loupe clean

Severe

Treatment

No evidence of treatment

No heat treatment

Commonly heated with no evidence of treatment

Heat treatment

Oiling

Not specified in the report

Clarity enhancement

Commonly irradiated with no evidence of treatment

Irradiation

Impregnation

Fracture healing / filling

Gemstone transparency

Transparent

Semi-transparent

Translucent

Semi-translucent

Opaque

Pearl luster

Excellent

Very good

Good

Fair

Optical effect (gemstones)

Colour change

Play of colour

Opalescence

Gemstones

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1 pcs Intense Purple Amethyst - 50.84 ct

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