编号 101551001

没有保留价 - 1 pcs 蓝色 黄宝石 - 37.25 ct - 安特卫普宝石检测实验室(ALGT) - 瑞士蓝
编号 101551001

没有保留价 - 1 pcs 蓝色 黄宝石 - 37.25 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, Concave Cut
Measurements .................................................................. 25.37 x 19.16 x 11.06 mm
Carat Weight ................................................................................................... 37.25 Carat
Color ....................................................................................................... Intense/Vivid 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.
16 January, 2026
59247938
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