Sin Precio de Reserva Tanzanita - 45.56 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
1 pcs Azul violeta intenso/vivo Tanzanita - 2.96 ct
N.º 84302951
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species ......................................................................................................... Natural Zoisite
Variety ..................................................................................................................... Tanzanite
DESCRIPTION
Shape & Cutting Style ......................................................................... Pear, Mixed Cut
Measurements ....................................................................... 11.26 x 7.81 x 4.66 mm
Carat Weight ...................................................................................................... 2.96 Carat
Color .................................................................................... Intense/Vivid 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
44626978
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species ......................................................................................................... Natural Zoisite
Variety ..................................................................................................................... Tanzanite
DESCRIPTION
Shape & Cutting Style ......................................................................... Pear, Mixed Cut
Measurements ....................................................................... 11.26 x 7.81 x 4.66 mm
Carat Weight ...................................................................................................... 2.96 Carat
Color .................................................................................... Intense/Vivid 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
44626978
Número de piedras
1
Piedra
Tanzanita
Peso total en quilates
2,96
Origen tal como figura en el certificado
Tanzania
Corte y forma
Pera
Certificación
ALGT (B)
Color
Azul violeta intenso/vivo
Tratamiento
Comúnmente con aplicación de calor sin evidencias de tratamiento
Transparencia / Claridad
Transparente
Sellado
No
