Blue Sapphire - 1.06 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Intense Blue

Blue Sapphire - 1.06 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Intense Blue #1.0
Blue Sapphire - 1.06 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Intense Blue #1.0
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Blue Sapphire - 1.06 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Intense Blue #3.2
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Francesca Floramo
Expert
Selected by Francesca Floramo

Graduate gemmologist from GIA with 20 years jewellery experience, specialising in brand jewellery.

Retail Estimate  € 550 - € 650
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Natural sapphire (corundum), 1.06 carat, intense blue, oval cut, transparent, heating indicated, sealed with ALGT report no. 47615441, origin Sri Lanka.

AI-assisted summary

Description from the seller

Intense Blue Blue Sapphire - 1.06 Carat - Sri Lanka - Oval Cut - original ALGT Report and sealed

ALGT Report Number: 47615441
Antwerp, 05.06.2026

Species: Natural Corundum
Variety: Sapphire

Shape and Cut: Oval, Mixed Cut
Weight: 1.06 Carat
Measurements: 7.03 x 5.77 x 3.05 mm
Color: Intense Blue
Transparency: Transparent
Comments: Indications of heating present.

*Origin: Sri Lanka. Country of origin is an opinion offered by the seller of this item.
This opinion is not substantiated by an official laboratory.

Delivery: Registered shipping with insurance and tracking number.

Perfectly suited as an investment, collector's item or for use in a jewellery setting.
Sealed and original ALGT Report Num. 47615441.

Translated Show original

Intense Blue Blue Sapphire - 1.06 Carat - Sri Lanka - Oval Cut - original ALGT Report and sealed

ALGT Report Number: 47615441
Antwerp, 05.06.2026

Species: Natural Corundum
Variety: Sapphire

Shape and Cut: Oval, Mixed Cut
Weight: 1.06 Carat
Measurements: 7.03 x 5.77 x 3.05 mm
Color: Intense Blue
Transparency: Transparent
Comments: Indications of heating present.

*Origin: Sri Lanka. Country of origin is an opinion offered by the seller of this item.
This opinion is not substantiated by an official laboratory.

Delivery: Registered shipping with insurance and tracking number.

Perfectly suited as an investment, collector's item or for use in a jewellery setting.
Sealed and original ALGT Report Num. 47615441.

Translated Show original

Details

Lab report number
47615441
Gemstone type
Sapphire
Total carat weight
1.06
Gemstone colour
Blue
Transparency
Transparent
Treatment
Heat treatment
Laboratory report
Antwerp Laboratory for Gemstone Testing (ALGT)
Sealed by laboratory
Yes
Title additional information
Intense Blue
Shape
Oval
GermanyVerified
1830
Objects sold
100%
452
Reviews
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