Sin Precio de Reserva Tanzanita - 1.72 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
1 pcs (Azul violeta claro) Tanzanita - 2.87 ct
N.º 84098339
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species ......................................................................................................... Natural Zoisite
Variety ..................................................................................................................... Tanzanite
DESCRIPTION
Shape & Cutting Style ......................................................................... Oval, Mixed Cut
Measurements .......................................................................... 9.62 x 7.16 x 5.84 mm
Carat Weight ...................................................................................................... 2.87 Carat
Color ..................................................................................................... Light Violetish Blue
Transparency .................................................................................................. Transparent
ADDITIONAL GRADING CHARACTERISTICS
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.
22 March, 2024
10045286
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species ......................................................................................................... Natural Zoisite
Variety ..................................................................................................................... Tanzanite
DESCRIPTION
Shape & Cutting Style ......................................................................... Oval, Mixed Cut
Measurements .......................................................................... 9.62 x 7.16 x 5.84 mm
Carat Weight ...................................................................................................... 2.87 Carat
Color ..................................................................................................... Light Violetish Blue
Transparency .................................................................................................. Transparent
ADDITIONAL GRADING CHARACTERISTICS
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.
22 March, 2024
10045286
Número de piedras
1
Piedra
Tanzanita
Peso total en quilates
2,87
Origen tal como figura en el certificado
Tanzania
Corte y forma
Ovalado
Certificación
ALGT (B)
Color
(Azul violeta claro)
Tratamiento
Comúnmente con aplicación de calor sin evidencias de tratamiento
Transparencia / Claridad
Transparente
Sellado
No
