沒有保留價 - 1 pcs 藍色黃玉 - 89.72 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - 瑞士蓝

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Species .......................................................................................................... Natural Topaz Variety .................................................................................................................. Blue Topaz DESCRIPTION Shape & Cutting Style .................................................................... Oval, Concave Cut Measurements .................................................................. 30.87 x 22.13 x 16.46 mm Carat Weight ................................................................................................... 89.72 Carat Color ....................................................................................................... Intense/Vivid Blue Transparency .................................................................................................. Transparent 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. 23 January, 2026 96840562

編號 101365057

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沒有保留價 - 1 pcs 藍色黃玉 - 89.72 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - 瑞士蓝

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Species .......................................................................................................... Natural Topaz
Variety .................................................................................................................. Blue Topaz
DESCRIPTION
Shape & Cutting Style .................................................................... Oval, Concave Cut
Measurements .................................................................. 30.87 x 22.13 x 16.46 mm
Carat Weight ................................................................................................... 89.72 Carat
Color ....................................................................................................... Intense/Vivid Blue
Transparency .................................................................................................. Transparent

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.
23 January, 2026
96840562