![](https://assets.catawiki.com/image/cw_lot_card/plain/assets/catawiki/assets/2024/5/15/8/0/4/804e22bf-c0ed-471a-aabe-6000ec1c3f3a.jpg)
1 pcs 瑞士藍 黃玉 - 35.10 ct
編號 84115263
編號 84115263
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species .......................................................................................................... Natural Topaz
Variety .................................................................................................................. Blue Topaz
DESCRIPTION
Shape & Cutting Style ......................................................................... Oval, Mixed Cut
Measurements .................................................................. 21.59 x 15.02 x 12.93 mm
Carat Weight ................................................................................................... 33.27 Carat
Color ................................................................................................................................... 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
41826640