1 pcs (坦桑尼亚)- [深紫蓝色] 坦桑石 - 7.40 ct
编号 83025247
1 pcs (坦桑尼亚) - [鲜艳的蓝色 - 紫罗兰色] - (精细的色彩质量) 坦桑石 - 1.82 ct
编号 83025247
1 pcs (坦桑尼亚) - [鲜艳的蓝色 - 紫罗兰色] - (精细的色彩质量) 坦桑石 - 1.82 ct
Algt Colored Stone Report # 66396533
Report Date: 17 January, 2024
Identification
Species ................................................................................ Natural Zoisite
Variety ............................................................................................ Tanzanite
Description
Shape & Cutting Style .......................... Round Brilliant, Mixed Cut
Measurements .................................................. 7.07 - 7.13 x 5.04 mm
Carat Weight ............................................................................. 1.82 Carat
Color ......................................................................... Vivid Blue (Violetish)
Transparency ......................................................................... Transparent
Additional Grading Characteristics
Color Quality Grade ................................................. Fine Color Quality
Suggested Origin ....................................................................... Tanzania
Comments
Tanzanite Is Commonly Heated At Low Temperature To Improve Its Color.
There Is Currently No Scientific Method Available To Determine
Whether This Gemstone Has Been Enhanced Or Not.