Sans Prix de Réserve Tanzanite - 1.72 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
1 pcs (Bleu violet clair) Tanzanite - 2.87 ct
Nº 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
Nombre de pierres
1
Pierre
Tanzanite
Poids total en carats
2,87
Origine telle qu’indiquée sur le certificat
Tanzanie
Coupe & forme
Oval
Certification
ALGT (B)
Couleur
(Bleu violet clair)
Traitement
Communément chauffé sans aucune trace de traitement
Transparence / pureté
Transparent
Scellé
Non
