編號 98318285

沒有保留價 - 1 pcs 藍色 黃玉 - 24.82 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - 天蓝色
編號 98318285

沒有保留價 - 1 pcs 藍色 黃玉 - 24.82 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 ............................................................................... Leaf, Carved
Measurements .................................................................... 22.44 x 19.14 x 8.15 mm
Carat Weight ................................................................................................... 24.82 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 May, 2025
20083808
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