Αρ. 98859664

1 pcs Μπλε Τοπάζιο - 31.34 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - London Blue
Αρ. 98859664

1 pcs Μπλε Τοπάζιο - 31.34 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - London Blue
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species .......................................................................................................... Natural Topaz
Variety .................................................................................................................. Blue Topaz
DESCRIPTION
Shape & Cutting Style ......................................................................... Oval, Mixed Cut
Measurements .................................................................. 21.26 x 16.57 x 10.25 mm
Carat Weight ................................................................................................... 31.34 Carat
Color ....................................................................................................................... Deep Blue
Transparency .................................................................................................. Transparent
ADDITIONAL GRADING CHARACTERISTICS
Trade Color Name ....................................................................................... London Blue
COMMENTS
Blue topaz is commonly enhanced by irradiation and/or heating to improve
its color. There is currently no scientific method available to determine
whether this gemstone has been enhanced or not.
30 June, 2025
73716522
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