Nr. 106261217

Ohne mindestpreis - 1 pcs Blau Topas - 30.56 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Himmelblau
Nr. 106261217

Ohne mindestpreis - 1 pcs Blau Topas - 30.56 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Himmelblau
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species .......................................................................................................... Natural Topaz
Variety .................................................................................................................. Blue Topaz
DESCRIPTION
Shape & Cutting Style .............................................. Modified Pentagon, Step Cut
Measurements .................................................................... 28.55 x 22.90 x 7.13 mm
Carat Weight ................................................................................................... 30.56 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.
19 June, 2026
49596148
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