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The finest objects brought to you by {name}

Alberto Fidalgo

Rare, Natural untreated Sapphire.
Perfectly suited as an investment, collector's item
Including a full ALGT report.

*No Reserve Price*

Variety: Sapphire
Species: Natural Corundum
Weight: 4.99 ct
Colour: Deep / Dark Blue (Greenish) 
Shape: Oval, Mixed Cut
Transparency: Transparent
Treatment: No Indications of heating present
Surface-reaching fractures
Please see the report for more details.
ALGT report no.: 17407 801

All orders are packaged & 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-hour  delivery time.

Oval - ALGT (B)

No Reserve - Deep/ Dark Blue Sapphire - 4.99 ct

Gemstones

Reserve price

No reserve price

Closing date

Friday

tomorrow

Saturday

today

Sunday

28 January

Monday

Tuesday

Budget

From

Location

Thailand

Spain

India

The Netherlands

Israel

Germany

Portugal

Italy

Singapore

United Kingdom

Belgium

United States

France

Austria

Sweden

Ireland

Hong Kong

Switzerland

Canary Islands

Slovak Republic

Poland

Bulgaria

Norway

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

Kenya

Uruguay

Unknown

Bolivia

Stone

Sapphire

Emerald

Spinel

Tanzanite

Tourmaline

Ruby

Opal

Aquamarine

Topaz

Kunzite

Tourmaline paraiba

Alexandrite

Tsavorite

Garnet

Peridot

Zircon

Amethyst

Morganite

Beryl

Fluorite

Rhodolite

Mixed gemstones

Sphene

Apatite

Citrine

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)

Lotus Gemology

Bellerophon Gemlab

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

Square

Fancy

Squared emerald cut

Marquise

Cut cornered square

Trilliant cut

Radiant

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

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 - 4.99 ct

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