Nr. 101731105

Ohne mindestpreis - 1 pcs Blau, Lila Tansanit - 1.69 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
Nr. 101731105

Ohne mindestpreis - 1 pcs Blau, Lila Tansanit - 1.69 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
Εxceptional Tanzanite gemstone suitable for jewellery or an investment-grade piece.
Full physical ALGT Certificate included.
Species .............................................................. Natural Zoisite
Variety .............................................................. Tanzanite
Shape & Cutting Style ........................................ Oval, Mixed Cut
Measurements ...................................................... 7.57 x 6.44 x 4.29 mm
Carat Weight ....................................................... 1.69 Carat
Color ....................................................................... Intense Purplish Blue
Transparency .................................................... Transparent
Origin ....................................................................... Tanzania
Origin determination is an expert opinion based on microscopic examination, spectroscopic features and chemical trace element analysis.
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.
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