Nr. 98859572

1 pcs Blauw Topaas - 39.11 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Hemelblauw
Nr. 98859572

1 pcs Blauw Topaas - 39.11 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Hemelblauw
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species .......................................................................................................... Natural Topaz
Variety .................................................................................................................. Blue Topaz
DESCRIPTION
Shape & Cutting Style ............................................ Square Cushion, Concave Cut
Measurements .................................................................. 19.62 x 19.12 x 12.16 mm
Carat Weight ................................................................................................... 39.11 Carat
Color ................................................................................................................................... Blue
Transparency .................................................................................................. Transparent
ADDITIONAL GRADING CHARACTERISTICS
Trade Color Name ................................................................................................ Sky 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.
20 July, 2025
73561505
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