No. 104536850

1 pcs Blue Topaz - 53.96 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - スイスブルー
No. 104536850

1 pcs Blue Topaz - 53.96 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - スイスブルー
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
Similar objects
-
-
-
-
-
-
-
-
-
-
This object was featured in
How to buy on Catawiki
1. Discover something special
2. Place the top bid
3. Make a secure payment

