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Alberto Fidalgo

Rare, Natural Sapphire. 
Perfectly suited as an investment, collector's item
With full ALGT certificate.

*No Reserve Price* 
 
Species: Natural Corundum 
Weight: 5.00 ct 
Color:  Deep/ Dark Blue
Shape: Cushion, Mixed Cut
Transparency: Transparent 
Surface reaching fractures  
See report for more details.
ALGT report Nr: 40785 493

All orders are packed & shipped with great care and delivered by an Express Courier Service.
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Cushion - ALGT (B)

No Reserve - Deep/ Dark Blue Sapphire - 5.00 ct

Gemstones

Reserve price

No reserve price

Buy now

Closing date

tomorrow

Tuesday

Wednesday

Friday

Saturday

Thursday

8 February

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From

Location

Thailand

Spain

India

Italy

Israel

Germany

Portugal

The Netherlands

Singapore

France

Belgium

United Kingdom

Switzerland

Canary Islands

Austria

Hong Kong

Sweden

Bulgaria

Ireland

Slovak Republic

United States

Norway

Greece

Poland

Romania

Object

Faceted gemstone

Gemstone cabochon

Country of origin

No origin given

Sri Lanka

Zambia

Myanmar/Burma

Tanzania

Colombia

Ethiopia

Brazil

Mozambique

Madagascar

Africa

Russia

Pakistan

Afghanistan

Kenya

Nigeria

Vietnam

Türkiye

Asia

Australia

Bolivia

Stone

Sapphire

Emerald

Tanzanite

Spinel

Opal

Topaz

Aquamarine

Ruby

Kunzite

Tourmaline

Peridot

Alexandrite

Tsavorite

Garnet

Fluorite

Citrine

Tourmaline paraiba

Amethyst

Sapphire padparadscha

Spessartite

Beryl

Ametrine

Spodumene

Sphalerite

Apatite

Certification

International Gemological Institute (IGI)

Antwerp Laboratory for Gemstone Testing (ALGT)

International Colored Gemstone Association (ICA GemLab)

Instituto Gemólogico Español (IGE)

Gemological Institute of America (GIA)

Lotus Gemology

Gem research Swiss Lab (GRS)

Bellerophon Gemlab

Gem Report Antwerp (GRA)

Asian Institute of Gemological Sciences (AIGS)

International Jewellery & Gems Certifiers (IJGC)

Istituto Gemmologico Italiano (IGI)

Guild Gem Laboratory

GEM-TECH Istituto Gemmologico

Colour

Green

Blue

Pink

Orange

Yellow

Violet

Purple

Multicolour

White

Brown

Bi-colour

Grey

Colourless

Oval

Mixed cut

Cushion

Pear

Faceted cut

Modified brilliant cut

Octagon

Step cut

Brilliant cut

Emerald cut

Cabochon cut

Round

Heart

Square

Triangle

Rectangle

Pear shape cut

Modified cut

Marquise

Fancy

Fantasy

Drop

Radiant

Mixed shape

Clarity

Eye clean

Slight

Loupe clean

Moderate

Heavy

Severe

Treatment

No evidence of treatment

No heat treatment

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

No indication of treatments

Gemstone transparency

Transparent

Translucent

Semi-transparent

Opaque

Semi-translucent

Pearl luster

Excellent

Very good

Good

Optical effect (gemstones)

Colour change

Play of colour

Opalescence

Fluorescence

Asterism

Iridescence

Adularescence

Gemstones

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No Reserve - Deep/ Dark Blue Sapphire - 5.00 ct

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