编号 103606341

1 pcs 蓝色 黄宝石 - 53.96 ct - 安特卫普宝石检测实验室(ALGT) - 瑞士蓝
编号 103606341

1 pcs 蓝色 黄宝石 - 53.96 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 ......................................................................... Oval, Mixed Cut
Measurements .................................................................. 25.69 x 19.02 x 13.25 mm
Carat Weight ................................................................................................... 53.96 Carat
Color ........................................................................................................................ Vivid Blue
Transparency .................................................................................................. Transparent
ADDITIONAL GRADING CHARACTERISTICS
Trade Color Name ............................................................................................ Swiss Blue
Color Quality Grade .......................................................................... Fine Color Quality
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.
02 March, 2026
31499975
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