13 pcs Blue, Purple Tanzanite - 5.08 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
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09
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00
minutes
38
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Current bid
€ 30
Reserve price not met
Expert
Selected by Francesca Floramo
Graduate gemmologist from GIA with 20 years jewellery experience, specialising in brand jewellery.
Retail Estimate € 380 - € 450
 | €30 | |
|---|---|---|
 | €25 | |
 | €1 |
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Description from the seller
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species ......................................................................................................... Natural Zoisite
Variety ..................................................................................................................... Tanzanite
DESCRIPTION
Shape & Cutting Style ......................................................................... Oval, Mixed Cut
Total Carat Weight .......................................................................................... 5.08 Carat
Color ................................................................................................................. Purplish 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
Total 13 stones. Average carat weight: 0.39 ct.
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.
12 March, 2026
10471260
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species ......................................................................................................... Natural Zoisite
Variety ..................................................................................................................... Tanzanite
DESCRIPTION
Shape & Cutting Style ......................................................................... Oval, Mixed Cut
Total Carat Weight .......................................................................................... 5.08 Carat
Color ................................................................................................................. Purplish 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
Total 13 stones. Average carat weight: 0.39 ct.
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.
12 March, 2026
10471260
Details
Number of stones
13
Lab report number
10471260
Gemstone type
Tanzanite
Total carat weight
5.08
Gemstone colour
Blue, Purple
Transparency
Transparent
Treatment
Commonly heated with no evidence of treatment
Laboratory report
Antwerp Laboratory for Gemstone Testing (ALGT)
Sealed by laboratory
No
Shape
Oval
Cutting style
Mixed cut
Sold by
GermanyVerified
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Rechtliche Informationen des Verkäufers
- Unternehmen:
- Amour GD Schmuck e. K.
- Repräsentant:
- Renuka Devi Kandaswamy
- Adresse:
- Aichacher Str 16
86577 Sielenbach
GERMANY - Telefonnummer:
- +491727840521
- Email:
- amourgdschmuck@gmail.com
- USt-IdNr.:
- DE360591812
AGB
AGB des Verkäufers. Mit einem Gebot auf dieses Los akzeptieren Sie ebenfalls die AGB des Verkäufers.
Widerrufsbelehrung
- Frist: 14 Tage sowie gemäß den hier angegebenen Bedingungen
- Rücksendkosten: Käufer trägt die unmittelbaren Kosten der Rücksendung der Ware
- Vollständige Widerrufsbelehrung
