1 pcs White Opal - 7.90 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
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Current bid
€ 20
Reserve price not met
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Selected by Alberto Fidalgo
Qualified goldsmith, gemmologist and diamond dealer with over fifteen years experience.
Retail Estimate € 600 - € 750
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 Bidder 6647 | €15 | |
| Bidder 3243 | €10 |
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Natural Opal crystal, 1 oval cabochon stone weighing 7.90 carats, white with vivid play of colour, semi-transparent, with no evidence of treatment; ALGT laboratory report 73584561.
AI-assisted summary
Description from the seller
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species .............................................................................................................. Natural Opal
Variety ............................................................................................................... Crystal Opal
DESCRIPTION
Shape & Cutting Style ......................................................................... Oval, Cabochon
Measurements .................................................................... 18.39 x 12.94 x 7.34 mm
Carat Weight ...................................................................................................... 7.90 Carat
Color ................................................................................ White + Play of Colors (Vivid)
Transparency ....................................................................................... Semi-transparent
ADDITIONAL GRADING CHARACTERISTICS
Color Quality Grade .......................................................................... Fine Color Quality
Optical Effect .................................................................................................. Opaliscence
COMMENTS
No indications of treatment.
16 January, 2026
73584561
ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species .............................................................................................................. Natural Opal
Variety ............................................................................................................... Crystal Opal
DESCRIPTION
Shape & Cutting Style ......................................................................... Oval, Cabochon
Measurements .................................................................... 18.39 x 12.94 x 7.34 mm
Carat Weight ...................................................................................................... 7.90 Carat
Color ................................................................................ White + Play of Colors (Vivid)
Transparency ....................................................................................... Semi-transparent
ADDITIONAL GRADING CHARACTERISTICS
Color Quality Grade .......................................................................... Fine Color Quality
Optical Effect .................................................................................................. Opaliscence
COMMENTS
No indications of treatment.
16 January, 2026
73584561
Details
Number of stones
1
Lab report number
73584561
Gemstone type
Opal
Total carat weight
7.90
Gemstone colour
White
Optical effect
Play of colour
Transparency
Semi-transparent
Treatment
No evidence of treatment
Laboratory report
Antwerp Laboratory for Gemstone Testing (ALGT)
Sealed by laboratory
No
Shape
Oval
Sold by
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Rechtliche Informationen des Verkäufers
- Unternehmen:
- Renuka Devi Kandaswamy
- Repräsentant:
- Renuka Devi Kandaswamy
- Adresse:
- Aichacher Str 16
86577 Sielenbach
GERMANY - Telefonnummer:
- +491727840521
- Email:
- rinku.renu@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
