編號 101811033

沒有保留價 - 1 pcs 黃色, 棕色 黃玉 - 29.91 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
編號 101811033

沒有保留價 - 1 pcs 黃色, 棕色 黃玉 - 29.91 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species .......................................................................................................... Natural Topaz
Variety ......................................................................................... Yellowish Brown Topaz
DESCRIPTION
Shape & Cutting Style ............................................................... Oval, Checkered Cut
Measurements .................................................................. 20.82 x 15.47 x 12.27 mm
Carat Weight ................................................................................................... 29.91 Carat
Color ........................................................................................................... Yellowish brown
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
26933135
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