編號 101551001

沒有保留價 - 1 pcs 藍色 黃玉 - 37.25 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - 瑞士蓝
編號 101551001

沒有保留價 - 1 pcs 藍色 黃玉 - 37.25 ct - Antwerp Laboratory for Gemstone Testing (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
類似物品
-
-
-
-
-
-
-
-
-
-

