1 pcs 藍色(紫色) 坦桑石 - 2.25 ct
編號 81397001
[無預訂] - 倫敦 - [深藍] 黃玉 - 18.18 ct
編號 81397001
[無預訂] - 倫敦 - [深藍] 黃玉 - 18.18 ct
Algt Colored Stone Report # 21795259
Report Date: 01 February, 2024
============================================
Identification
Species .................................................................................. Natural Topaz
Variety ......................................................................................... Blue Topaz
Description
Shape & Cutting Style ....................................... Triangle, Mixed Cut
Measurements ......................................... 16.48 X 15.65 X 11.41 Mm
Carat Weight ........................................................................... 18.18 Carat
Color .............................................................................................. Deep Blue
Transparency ......................................................................... Transparent
Additional Grading Characteristics
Trade Color Name ............................................................... London 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.
============================================