2 pcs 深紫蓝色 坦桑石 - 1.75 ct
编号 85410399
1 pcs 瑞士-蓝 黄宝石 - 31.95 ct
编号 85410399
1 pcs 瑞士-蓝 黄宝石 - 31.95 ct
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species .......................................................................................................... Natural Topaz
Variety .................................................................................................................. Blue Topaz
DESCRIPTION
Shape & Cutting Style ......................................................................... Pear, Mixed Cut
Measurements .................................................................. 24.11 x 16.30 x 11.32 mm
Carat Weight ................................................................................................... 31.95 Carat
Color ................................................................................................................................... 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.
07 May, 2024
96498607