1 pcs 藍色的 海藍寶石 - 10.29 ct
編號 85056587
1 pcs 瑞士藍-深藍 黃玉 - 25.11 ct
編號 85056587
1 pcs 瑞士藍-深藍 黃玉 - 25.11 ct
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species .......................................................................................................... Natural Topaz
Variety .................................................................................................................. Blue Topaz
DESCRIPTION
Shape & Cutting Style ................................................. Square Cushion, Mixed Cut
Measurements .................................................................. 17.08 x 17.02 x 10.77 mm
Carat Weight ................................................................................................... 25.11 Carat
Color ................................................................................................................... Intense 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
87704608