1 pcs Violett, Blau Tansanit - 6.24 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
02
Tage
02
Stunden
36
Minuten
54
Sekunden
Startgebot
€ 1
Mindestpreis nicht erreicht
Experte
Von Alberto Fidalgo ausgewählt
Qualifizierter Goldschmied, Gemmologe und Diamantenhändler mit über fünfzehn Jahren Erfahrung.
Einzelhandelsschätzung € 600 - € 750
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Tansanit Edelstein, 1 Stein, 6,24 Karat, ovaler Mischschnitt, violett-blau und transparent, gewöhnlich erhitzt mit kein Beleg für Behandlung, ALGT-Bericht.
KI-gestützte Zusammenfassung
Vom Verkäufer bereitgestellte Beschreibung
ALGT
IDENTIFICATION
Species ......................................................................................................... Natural Zoisite
Variety ..................................................................................................................... Tanzanite
DESCRIPTION
Shape & Cutting Style ......................................................................... Oval, Mixed Cut
Measurements ....................................................................... 13.53 x 9.99 x 6.01 mm
Carat Weight ...................................................................................................... 6.24 Carat
Color ..................................................................................................... Vivid Violetish Blue
Transparency ................................................................................................ Transparent
ADDITIONAL GRADING CHARACTERISTICS
Origin ................................................................................................................. Tanzania
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.
Moderate amount of clarity enhancement in fissures.
Clarity enhancement has become a common practice in trade for many
gemstones. This enhancement is reversible at any time.
17 November, 2025
11830246
ALGT
IDENTIFICATION
Species ......................................................................................................... Natural Zoisite
Variety ..................................................................................................................... Tanzanite
DESCRIPTION
Shape & Cutting Style ......................................................................... Oval, Mixed Cut
Measurements ....................................................................... 13.53 x 9.99 x 6.01 mm
Carat Weight ...................................................................................................... 6.24 Carat
Color ..................................................................................................... Vivid Violetish Blue
Transparency ................................................................................................ Transparent
ADDITIONAL GRADING CHARACTERISTICS
Origin ................................................................................................................. Tanzania
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.
Moderate amount of clarity enhancement in fissures.
Clarity enhancement has become a common practice in trade for many
gemstones. This enhancement is reversible at any time.
17 November, 2025
11830246
Details
Anzahl von Steinen
1
Gemstone type
Tansanit
Karatgewicht gesamt
6,24
Farbe
Blau, Violett
Transparenz des Edelsteins
Transparent
Behandlung
Normal erhitzt ohne Behandlungsnachweis
Zertifizierung
Antwerp Laboratory for Gemstone Testing (ALGT)
Versiegelt
Nein
Form
Oval
Schliff
Mischschliff
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