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Alberto Fidalgo

Rare, Natural Blue Sapphire. 
Perfectly suited as an investment or collector's item.
With full ALGT certificate.

*No Reserve Price* 

Species: Natural Corundum 
Variety: Sapphire
Weight: 3.53 ct 
Color: Deep/Dark Blue (Greenish)
Shape: Cushion, Mixed Cut
Transparency: Transparent 
Treatment: No indication of heating
Surface reaching fractures, cavities.
See report for more details.
ALGT report Nr: 07240 002

All orders are packed & shipped with great care and delivered by an Express Courier Service. Shipments are insured for full value and have accurate Online Tracking, striving for a 48-hours delivery time.

Cushion - ALGT (B)

No Reserve - Deep/Dark Blue Sapphire - 3.53 ct

Gemstones

Reserve price

No reserve price

Closing date

Friday

tomorrow

Saturday

Sunday

today

28 January

Monday

Tuesday

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From

Location

Thailand

India

Spain

The Netherlands

Israel

Germany

Portugal

Italy

Singapore

United Kingdom

United States

France

Belgium

Austria

Sweden

Hong Kong

Ireland

Switzerland

Canary Islands

Slovak Republic

Bulgaria

Norway

Poland

Czech Republic

Greece

Object

Faceted gemstone

Gemstone cabochon

Country of origin

No origin given

Zambia

Sri Lanka

Myanmar/Burma

Mozambique

Colombia

Tanzania

Ethiopia

Brazil

Africa

Madagascar

Nigeria

Afghanistan

Pakistan

Russia

Vietnam

Türkiye

Uruguay

Unknown

Bolivia

Kenya

Stone

Sapphire

Emerald

Spinel

Tanzanite

Ruby

Tourmaline

Opal

Aquamarine

Topaz

Kunzite

Tourmaline paraiba

Alexandrite

Tsavorite

Peridot

Amethyst

Garnet

Zircon

Fluorite

Beryl

Morganite

Rhodolite

Apatite

Sphene

Star Ruby

Sapphire padparadscha

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)

Lotus Gemology

Bellerophon Gemlab

Gem Report Antwerp (GRA)

Gem research Swiss Lab (GRS)

Asian Institute of Gemological Sciences (AIGS)

Guild Gem Laboratory

Istituto Gemmologico Italiano (IGI)

GEM-TECH Istituto Gemmologico

American Gemological Labs (AGL)

Gemewizard Gemological Laboratory (GWLab)

Colour

Green

Blue

Pink

Purple

Yellow

Violet

Orange

Brown

Multicolour

White

Bi-colour

Grey

Colourless

Black

Oval

Mixed cut

Cushion

Pear

Modified brilliant cut

Faceted cut

Octagon

Brilliant cut

Emerald cut

Step cut

Cabochon cut

Round

Rectangle

Heart

Triangle

Modified cut

Pear shape cut

Fancy

Square

Squared emerald cut

Marquise

Trilliant cut

Cut cornered square

Radiant

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

High pressure, High temperature (HPHT) treatment

Impregnation

Gemstone transparency

Transparent

Semi-transparent

Translucent

Semi-translucent

Pearl luster

Excellent

Good

Very good

Fair

Optical effect (gemstones)

Colour change

Play of colour

Fluorescence

Asterism

Gemstones

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No Reserve - Deep/Dark Blue Sapphire - 3.53 ct

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