1 pcs Lila, Blau Tansanit - 17.30 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
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Tansanit, 1 Edelstein, 17,30 Karat, Birnenform mit gemischtem Schliff, transparent, violett-blau, üblicherweise erhitzt mit keinem Nachweis von Behandlung, ALGT-Bericht Nr. 38550280.
KI-gestützte Zusammenfassung
Vom Verkäufer bereitgestellte Beschreibung
ALGT FARBIGES STEIN IDENTIFIZIERUNGSBERICHT
IDENTIFICATION -> IDENTIFIZIERUNG
Species ......................................................................................................... Natürlicher Zoisit
Variety ..................................................................................................................... Tanzanite
DESCRIPTION
Shape & Cutting Style ......................................................................... Birnenform, gemischter Schliff
Measurements .................................................................... 22.08 x 14.14 x 8.38 mm
Carat Weight ................................................................................................... 17.30 Karat
Color ......................................................................................... Lebhaftes/tiefes purpurblau
Transparency .................................................................................................. Transparent
ADDITIONAL GRADING CHARACTERISTICS
Color Quality Grade .......................................................................... Feine Farbqualität
Origin ......................................................................................................................... Tansania
Origin determination is an expert opinion based on microscopic examination, spectroscopic features and
chemical trace element analysis.
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.
Minor amount of clarity enhancement in fissures at the time of testing.
Clarity enhancement has become a common practice in trade for many
gemstones. This enhancement is reversible at any time.
07 February, 2026
38550280
ALGT FARBIGES STEIN IDENTIFIZIERUNGSBERICHT
IDENTIFICATION -> IDENTIFIZIERUNG
Species ......................................................................................................... Natürlicher Zoisit
Variety ..................................................................................................................... Tanzanite
DESCRIPTION
Shape & Cutting Style ......................................................................... Birnenform, gemischter Schliff
Measurements .................................................................... 22.08 x 14.14 x 8.38 mm
Carat Weight ................................................................................................... 17.30 Karat
Color ......................................................................................... Lebhaftes/tiefes purpurblau
Transparency .................................................................................................. Transparent
ADDITIONAL GRADING CHARACTERISTICS
Color Quality Grade .......................................................................... Feine Farbqualität
Origin ......................................................................................................................... Tansania
Origin determination is an expert opinion based on microscopic examination, spectroscopic features and
chemical trace element analysis.
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.
Minor amount of clarity enhancement in fissures at the time of testing.
Clarity enhancement has become a common practice in trade for many
gemstones. This enhancement is reversible at any time.
07 February, 2026
38550280
Details
Anzahl von Steinen
1
Nummer des Laborberichts/Zertifikats
38550280
Gemstone type
Tansanit
Karatgewicht gesamt
17,30
Farbe
Blau, Lila
Transparenz des Edelsteins
Transparent
Behandlung
Normal erhitzt ohne Behandlungsnachweis
Zertifizierung
Antwerp Laboratory for Gemstone Testing (ALGT)
Versiegelt
Nein
Form
Birne
Schliff
Mischschliff
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