No reserve price White, Multicolour Opal - 12.99 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Fine Color Quality

02
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04
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20
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14
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Current bid
€ 3
No reserve price
Francesca Floramo
Expert
Selected by Francesca Floramo

Graduate gemmologist from GIA with 20 years jewellery experience, specialising in brand jewellery.

Retail Estimate  € 1,200 - € 1,500
AT
€3

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One natural oval cabochon opal weighing 12.99 carats, semi-transparent white with vivid play of colours, identified by ALGT in report 77489798.

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: 20.83 × 16.44 × 7.80 mm
Carat Weight: 12.99 Carat
Color: White (Orangy) + 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

**ALGT Colored Stone Identification Report**

**Identification**
Species: Natural Opal
Variety: Crystal Opal

**Description**
Shape & Cutting Style: Oval, Cabochon
Measurements: 20.83 × 16.44 × 7.80 mm
Carat Weight: 12.99 Carat
Color: White (Orangy) + 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
77489798
Gemstone type
Opal
Total carat weight
12.99
Gemstone colour
Multicolour, White
Optical effect
Opalescence
Transparency
Semi-transparent
Treatment
No evidence of treatment
Laboratory report
Antwerp Laboratory for Gemstone Testing (ALGT)
Sealed by laboratory
No
Title additional information
Fine Color Quality
Shape
Oval
Cutting style
Cabochon cut
Sold by
The NetherlandsVerified
1416
Objects sold
100%
protop

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