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Alberto Fidalgo

Very rare, big size natural Untreated Deep Blue Sapphire.
Perfectly suited as an investment or collector's item.

*Including a full LOTUS report*

*No Reserve Price*

Variety: Natural Sapphire
Species: Natural Corundum
Weight: 10.64 Carat
Color: Deep Blue 
Shape: Antique Cushion, Brilliant step cut
Transparency: Transparent
Treatment: No indications of Heating/treatment
Surface reaching fractures 
See report for more details.
LOTUS report Nr: 9352-4 541

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 - Lotus (Thailand)

No Reserve - Deep Blue Sapphire - 10.64 ct

Gemstones

Reserve price

No reserve price

Buy now

Closing date

tomorrow

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8 February

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Object

Faceted gemstone

Gemstone cabochon

Country of origin

Sri Lanka

No origin given

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Myanmar/Burma

Tanzania

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Stone

Sapphire

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Beryl

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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

Violet

Yellow

Purple

White

Multicolour

Brown

Grey

Bi-colour

Oval

Mixed cut

Cushion

Pear

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Modified brilliant cut

Octagon

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Step cut

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Cabochon cut

Round

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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

Semi-transparent

Translucent

Opaque

Semi-translucent

Pearl luster

Excellent

Very good

Good

Optical effect (gemstones)

Play of colour

Colour change

Opalescence

Fluorescence

Iridescence

Asterism

Tenebrescence

No reserve price - 1 pcs  Green Tsavorite  - 1.43 ct - International Colored Gemstone Association (ICA GemLab) - AMAZING SPARKLE GREEN

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No Reserve - Deep Blue Sapphire - 10.64 ct

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