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橙色(粉紅色) 黃玉 - 2.60 ct
編號 85463599
編號 85463599
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species .......................................................................................................... Natural Topaz
Variety .................................................................................................................. Blue Topaz
DESCRIPTION
Shape & Cutting Style ..................................................................... Round, Mixed Cut
Measurements .................................................................. 17.72 - 18.02 x 15.74 mm
Carat Weight ................................................................................................... 41.29 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.
31 May, 2024
94839206