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April 24, 2023
Igi Report Number 576330407

Species Natural Opal
Variety Fire Opal

Shape And Cutting Style Pear Mixed Cut

Weight 16.56 Carats
Measurements 26.21 X 16.67 X 10.26 Mm

Color And Transparency Yellow, Transparent

Characteristics Natural Inclusion(S) Pattern

Treatment: No Indication Of Treatment

Pear - IGI

Yellow Fire Opal - 16.56 ct

Gemstones

Reserve price

No reserve price

Closing date

tomorrow

Tuesday

Wednesday

Thursday

Friday

Saturday

15 March

Budget

From

Location

Thailand

Spain

India

Germany

Italy

The Netherlands

Portugal

Israel

United Kingdom

Singapore

Belgium

Sweden

France

Austria

Bulgaria

Switzerland

Poland

Slovak Republic

Cyprus

United States

Czech Republic

Ireland

Canary Islands

Romania

Finland

Object

Faceted gemstone

Gemstone cabochon

Country of origin

No origin given

Zambia

Sri Lanka

Tanzania

Myanmar/Burma

Colombia

Ethiopia

Madagascar

Africa

Pakistan

Brazil

Mozambique

Türkiye

Afghanistan

Russia

Mali

Bolivia

Unknown

Australia

Kenya

Nigeria

Stone

Sapphire

Emerald

Tanzanite

Spinel

Aquamarine

Ruby

Topaz

Opal

Tourmaline

Kunzite

Garnet

Amethyst

Tsavorite

Peridot

Sphalerite

Fluorite

Zircon

Citrine

Spodumene

Tourmaline paraiba

Beryl

Apatite

Sphene

Sapphire padparadscha

Rhodolite

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)

Gem research Swiss Lab (GRS)

Lotus Gemology

Bellerophon Gemlab

Asian Institute of Gemological Sciences (AIGS)

GEM-TECH Istituto Gemmologico

Gübelin Gem Lab

International Jewellery & Gems Certifiers (IJGC)

Guild Gem Laboratory

The London Gem and Pearl Laboratory

Colour

Green

Blue

Pink

Yellow

Orange

Purple

Violet

Brown

White

Multicolour

Grey

Bi-colour

Colourless

Oval

Mixed cut

Cushion

Pear

Faceted cut

Modified brilliant cut

Brilliant cut

Octagon

Emerald cut

Step cut

Round

Cabochon cut

Rectangle

Heart

Square

Triangle

Fancy

Modified cut

Marquise

Mixed shape

Cut cornered square

Pear shape cut

Trilliant cut

Squared emerald cut

Clarity

Eye clean

Slight

Moderate

Loupe clean

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

Commonly irradiated with no evidence of treatment

Clarity enhancement

Irradiation

Fracture healing / filling

Gemstone transparency

Transparent

Translucent

Semi-transparent

Opaque

Semi-translucent

Pearl luster

Excellent

Very good

Good

Optical effect (gemstones)

Colour change

Opalescence

Fluorescence

Play of colour

Tenebrescence

Iridescence

Adularescence

Chatoyancy

Commonly irradiated with no evidence of treatment-  Lab report: 66932910

No reserve price Topaz  - 35.72 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Intense Vivid Blue Topaz

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Yellow Fire Opal - 16.56 ct

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