编号 100126759

没有保留价 - 1 pcs 蓝色 黄宝石 - 29.99 ct - 安特卫普宝石检测实验室(ALGT) - 瑞士蓝
编号 100126759

没有保留价 - 1 pcs 蓝色 黄宝石 - 29.99 ct - 安特卫普宝石检测实验室(ALGT) - 瑞士蓝
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species .......................................................................................................... Natural Topaz
Variety .................................................................................................................. Blue Topaz
DESCRIPTION
Shape & Cutting Style ......................................................................... Pear, Mixed Cut
Measurements .................................................................. 19.66 x 16.21 x 12.47 mm
Carat Weight ................................................................................................... 29.99 Carat
Color ................................................................................................................... Intense Blue
Transparency .................................................................................................. Transparent
ADDITIONAL GRADING CHARACTERISTICS
Trade Color Name ............................................................................................ Swiss 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.
18 November, 2025
24114042
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