没有保留价 - 1 pcs 蓝色 黄宝石 - 42.60 ct - 安特卫普宝石检测实验室（ALGT） - 瑞士蓝

ALGT 彩色宝石识别报告
IDENTIFICATION -> 识别
Species .......................................................................................................... Natural Topaz
种类 .......................................................................................................... Natural Topaz
Variety .................................................................................................................. Blue Topaz
变种 ................................................................................................................... Blue Topaz
DESCRIPTION -> 描述
Shape & Cutting Style ............................................................ Cushion, Concave Cut
形状与切工风格 ............................................................ 枕形，凹面切工
Measurements .................................................................. 21.20 x 17.89 x 13.47 mm
尺寸 .................................................................. 21.20 x 17.89 x 13.47 毫米
Carat Weight ................................................................................................... 42.60 Carat
克拉重量 ................................................................................................... 42.60 克拉
Color ................................................................................................................... Intense Blue
颜色 ................................................................................................................... 强烈蓝色
Transparency .................................................................................................. Transparent
透明度 .................................................................................................. 透明
ADDITIONAL GRADING CHARACTERISTICS -> 额外分级特征
Trade Color Name ............................................................................................ Swiss Blue
贸易颜色名称 ............................................................................................ Swiss Blue
COMMENTS -> 备注
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.
蓝色托帕石通常通过辐照和/或加热来改善颜色。
目前没有可用的科学方法来判断本宝石是否经过增强。
21 May, 2026
2026年5月21日
36993357