1 pcs Blue Sapphire - 2.58 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

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Ghene Menezes
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Retail Estimate  € 1,600 - € 1,900
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One 2.58 carat oval sapphire (natural corundum) with intense blue color, transparent, no heat treatment, identified by the Antwerp Laboratory for Gemstone Testing (ALGT).

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Description from the seller

ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species ................................................................................................. Natural Corundum
Variety ...................................................................................................................... Sapphire
DESCRIPTION
Shape & Cutting Style ......................................................................... Oval, Mixed Cut
Measurements .......................................................................... 7.60 x 5.38 x 5.97 mm
Carat Weight ...................................................................................................... 2.58 Carat
Color ................................................................................................................... Intense Blue
Transparency .................................................................................................. Transparent
COMMENTS
No indications of heating.
18 November, 2025
82717909

ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species ................................................................................................. Natural Corundum
Variety ...................................................................................................................... Sapphire
DESCRIPTION
Shape & Cutting Style ......................................................................... Oval, Mixed Cut
Measurements .......................................................................... 7.60 x 5.38 x 5.97 mm
Carat Weight ...................................................................................................... 2.58 Carat
Color ................................................................................................................... Intense Blue
Transparency .................................................................................................. Transparent
COMMENTS
No indications of heating.
18 November, 2025
82717909

Details

Nr of stones
1
Gemstone type
Sapphire
Total carat weight
2.58
Gemstone colour
Blue
Transparency
Transparent
Treatment
No heat treatment
Laboratory Report
Antwerp Laboratory for Gemstone Testing (ALGT)
Sealed by laboratory
No
Shape
Oval
Cutting style
Mixed cut
Sold by
GermanyVerified
7995
Objects sold
95.51%
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