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Species: 	Natural Corundum 		
Variety: 	Natural Sapphire * 		
Shape and cut: Cushion Mixed Cut 		
Weight: 	1.76 Carat	
Measurements:	7.84 x 5.97 x 3.72 mm 		
Color: 	Blue : the certificate guarantees a Good Color Quality 		
Transparency: 	Transparent 		
Characteristics: Natural inclusion(s) pattern 		
Origin: 	Suggested origin Sri Lanka: it's written in the certificate	
Treatment: Only a gentle heat was applied 
Clarity: the Sapphire has an inclusion (see pictures)
Report Number: 	265712219 		
Report City and date: 	Antwerp, May 5, 2017 	

Sri Lanka - Cushion Mixed Cut - Full IGI report

Sapphire - 1.76 ct

Gemstones

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Object

Faceted gemstone

Gemstone cabochon

Country of origin

No origin given

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Sri Lanka

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Stone

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Certification

International Gemological Institute (IGI)

International Colored Gemstone Association (ICA GemLab)

Antwerp Laboratory for Gemstone Testing (ALGT)

Instituto Gemólogico Español (IGE)

Gemological Institute of America (GIA)

Lotus Gemology

Gem Report Antwerp (GRA)

Gem research Swiss Lab (GRS)

Bellerophon Gemlab

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Colour

Green

Blue

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Clarity

Eye clean

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Moderate

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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

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Sapphire - 1.76 ct

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