1 pcs [深藍] - (瑞士) 黃玉 - 22.75 ct
編號 82479505
[無保留]-瑞士-[鮮豔藍] 黃玉 - 21.51 ct
編號 82479505
[無保留]-瑞士-[鮮豔藍] 黃玉 - 21.51 ct
Algt Colored Stone Report # 13069418
Report Date: 16 March, 2024
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Identification
Species .................................................................................. Natural Topaz
Variety ......................................................................................... Blue Topaz
Description
Shape & Cutting Style ............................................... Oval, Mixed Cut
Measurements ......................................... 18.74 x 14.20 x 10.54 mm
Carat Weight ........................................................................... 21.51 Carat
Color ............................................................................................... Vivid Blue
Transparency ......................................................................... Transparent
Additional Grading Characteristics
Trade Color Name ................................................................... Swiss Blue
Color Quality Grade ................................................. Fine Color Quality
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.