編號 100583604

沒有保留價 - 1 pcs 藍色 黃玉 - 26.17 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - 天蓝色
編號 100583604

沒有保留價 - 1 pcs 藍色 黃玉 - 26.17 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - 天蓝色
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species .......................................................................................................... Natural Topaz
Variety .................................................................................................................. Blue Topaz
DESCRIPTION
Shape & Cutting Style ......................................................................... Oval, Mixed Cut
Measurements .................................................................... 20.83 x 15.59 x 9.54 mm
Carat Weight ................................................................................................... 26.17 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.
13 November, 2025
95792904
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