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Alberto Fidalgo

Rare, Natural Deep Blue Sapphire.
Perfectly suited as an investment or collector's item
With full LOTUS certificate. 

*No Reserve Price*

Variety: Natural Sapphire
Species: Natural Corundum
Weight: 6.83 ct 
Color:  Deep Blue (Good color Quality)
Shape: Pear, Brilliant cut
Transparency: Transparent
Treatment: No indication of heating/treatment
Surface reaching fractures
See report for more details
LOTUS report Nr: 1386-8 890

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.

Pear - Lotus (Thailand)

No Reserve - Deep Blue Sapphire - 6.83 ct

Gemstones

Reserve price

No reserve price

Closing date

Friday

tomorrow

Saturday

today

Sunday

28 January

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Location

Thailand

Spain

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Slovak Republic

Poland

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Object

Faceted gemstone

Gemstone cabochon

Country of origin

No origin given

Zambia

Sri Lanka

Myanmar/Burma

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Ethiopia

Brazil

Africa

Madagascar

Nigeria

Afghanistan

Pakistan

Russia

Vietnam

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Unknown

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Stone

Sapphire

Emerald

Spinel

Tanzanite

Tourmaline

Ruby

Opal

Aquamarine

Topaz

Kunzite

Tourmaline paraiba

Alexandrite

Tsavorite

Garnet

Peridot

Zircon

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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

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Pear

Modified brilliant cut

Faceted cut

Octagon

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Emerald cut

Step cut

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Round

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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 Blue Sapphire - 6.83 ct

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