Sem preço de reserva Tanzanita - 45.56 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
1 pcs Azul Violeta Intenso/Vívido 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
N.º de pedras
1
Pedra
Tanzanita
Peso total em quilates
2,96
Origem conforme mencionada no certificado
Tanzânia
Corte e forma
Pera
Certificação
ALGT (B)
Cor
Azul Violeta Intenso/Vívido
Tratamento
Geralmente aquecido sem evidência de tratamento
Transparência / clareza
Transparente
Selado
Não
