編號 101811287
無法使用
競投已結束
5 小時前
1 pcs 棕色, 橙色 黃玉 - 33.35 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species .......................................................................................................... Natural Topaz
Variety .............................................................................................................. Brown Topaz
DESCRIPTION
Shape & Cutting Style ................................................................... Pear, Concave Cut
Measurements .................................................................. 28.12 x 16.00 x 11.60 mm
Carat Weight ................................................................................................... 33.35 Carat
Color ............................................................................................... Deep Brown (Orangy)
Transparency .................................................................................................. Transparent
COMMENTS
Brown 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 February, 2026
54370106
編號 101811287
無法使用
1 pcs 棕色, 橙色 黃玉 - 33.35 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species .......................................................................................................... Natural Topaz
Variety .............................................................................................................. Brown Topaz
DESCRIPTION
Shape & Cutting Style ................................................................... Pear, Concave Cut
Measurements .................................................................. 28.12 x 16.00 x 11.60 mm
Carat Weight ................................................................................................... 33.35 Carat
Color ............................................................................................... Deep Brown (Orangy)
Transparency .................................................................................................. Transparent
COMMENTS
Brown 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 February, 2026
54370106
競投已結束
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