White, Multicolour Opal - 11.84 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

02
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Alberto Fidalgo
Expert
Selected by Alberto Fidalgo

Qualified goldsmith, gemmologist and diamond dealer with over fifteen years experience.

Retail Estimate  € 1,100 - € 1,400
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Natural opal crystal opal, oval cabochon, 11.84 carat, semi-transparent with white colour and vivid play of colours, no indications of treatment, ALGT report 27176377.

AI-assisted summary

Description from the seller

4K Video Link, watch with your settings in High Quality:

https://www.youtube.com/shorts/ckBLNrCqdR4


ALGT Colored Stone Identification Report

Identification
Species: Natural Opal
Variety: Crystal Opal

Description
Shape & Cutting Style: Oval, Cabochon
Measurements: 23.33 × 16.00 × 6.37 mm
Carat Weight: 11.84 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.

*Origin: Ethiopia

*Country of origin as expressed herein, is only based on a spontaneous declaration of the seller, agreed as possible from the auctioneer, although not substantiated by an official expert opinion from the gemological laboratory issuing the report.

The photos were taken in a professional studio using a specialized LED gemstone light to best reveal the gemstone's brilliance, color, and optical effects. The images have not been edited to ensure the most realistic representation possible. Slight color variations may occur depending on your display settings.

Well-packed and fully insured registered shipping. No additional VAT for buyers within the EU.

Please feel free to browse my other listings for more certified natural gemstones and exclusive offers.

Seller's Story

At Terra Gems, we specialize in natural gemstones carefully selected for collectors, jewelry lovers and gemstone enthusiasts. We focus on offering genuine stones with clear descriptions, accurate photos and reliable information. Customer satisfaction is very important to us. Every order is packed with care and shipped securely with tracking. We also offer a return policy in accordance with Catawiki’s guidelines, so buyers can purchase with confidence. Our goal is to provide a trustworthy and pleasant buying experience with every gemstone.
Translated by Google Translate

4K Video Link, watch with your settings in High Quality:

https://www.youtube.com/shorts/ckBLNrCqdR4


ALGT Colored Stone Identification Report

Identification
Species: Natural Opal
Variety: Crystal Opal

Description
Shape & Cutting Style: Oval, Cabochon
Measurements: 23.33 × 16.00 × 6.37 mm
Carat Weight: 11.84 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.

*Origin: Ethiopia

*Country of origin as expressed herein, is only based on a spontaneous declaration of the seller, agreed as possible from the auctioneer, although not substantiated by an official expert opinion from the gemological laboratory issuing the report.

The photos were taken in a professional studio using a specialized LED gemstone light to best reveal the gemstone's brilliance, color, and optical effects. The images have not been edited to ensure the most realistic representation possible. Slight color variations may occur depending on your display settings.

Well-packed and fully insured registered shipping. No additional VAT for buyers within the EU.

Please feel free to browse my other listings for more certified natural gemstones and exclusive offers.

Seller's Story

At Terra Gems, we specialize in natural gemstones carefully selected for collectors, jewelry lovers and gemstone enthusiasts. We focus on offering genuine stones with clear descriptions, accurate photos and reliable information. Customer satisfaction is very important to us. Every order is packed with care and shipped securely with tracking. We also offer a return policy in accordance with Catawiki’s guidelines, so buyers can purchase with confidence. Our goal is to provide a trustworthy and pleasant buying experience with every gemstone.
Translated by Google Translate

Details

Lab report number
27176377
Gemstone type
Opal
Total carat weight
11.84
Gemstone colour
Multicolour, White
Optical effect
Opalescence
Transparency
Semi-transparent
Treatment
No evidence of treatment
Origin as given on certificate
No origin given
Laboratory report
Antwerp Laboratory for Gemstone Testing (ALGT)
Sealed by laboratory
No
Shape
Oval
Cutting style
Cabochon cut
Sold by
The NetherlandsVerified
1193
Objects sold
99.63%
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