瑞士 - [濃/鮮豔藍] 黃玉 - 29.63 ct

Algt Colored Stone Report # 24216884
Report Date: 16 March, 2024
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Identification

Species .................................................................................. Natural Topaz
Variety ......................................................................................... Blue Topaz

Description

Shape & Cutting Style ....................... Square Cushion, Mixed Cut
Measurements ......................................... 17.15 x 17.05 x 11.68 mm
Carat Weight ........................................................................... 29.63 Carat
Color .............................................................................. Intense/Vivid 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.