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黃橙色 黃玉 - 2.03 ct
編號 84115117
編號 84115117
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