浅黄橙色 黄宝石 - 2.32 ct
编号 83538449
瑞士-【深蓝色】 黄宝石 - 20.85 ct
编号 83538449
瑞士-【深蓝色】 黄宝石 - 20.85 ct
Algt Colored Stone Report # 64938685
Report Date: 16 March, 2024
============================================
Identification
Species .................................................................................. Natural Topaz
Variety ......................................................................................... Blue Topaz
Description
Shape & Cutting Style ............................................... Oval, Mixed Cut
Measurements ......................................... 17.70 x 14.27 x 10.36 mm
Carat Weight ........................................................................... 20.85 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.