26 April, 2023

Algt Colored Stone Identification Report # 36535159

Identification

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

Description

Shape & Cutting Style ....................................... Triangle, Mixed Cut
Measurements ......................................... 18.68 X 18.31 X 10.79 Mm
Carat Weight ........................................................................... 24.47 Carat
Color .................................................................................. Vivid/deep Blue
Transparency ......................................................................... Transparent

Additional Grading Characteristics

Trade Color Name ............................................................... London 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.