1 pcs White, Multicolour Opal - 13.81 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

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Ghene Menezes
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Natural opal crystal, 13.81 carats, pear cabochon cut, light grey body colour with natural play-of-colour, translucent, no indication of treatment, issued with ALGT certificate number 48337510.

AI-assisted summary

Description from the seller

Natural Opal Crystal – 13.81 ct – ALGT Certificate

Natural Opal Crystal loose weighing 13.81 carats, cut in an elegant pear cabochon shape.

The stone presents a light gray, translucent base color, with a visible natural play of color, primarily red/orange, yellow and green reflections, which vary depending on the angle and lighting conditions.

Gem details:

Gem: Natural Opal Crystal
Weight: 13.81 ct
Shape / Cut: Pear cabochon
Color: Light gray with play of color
Transparency: Translucent
Measurements: 28.07 × 12.50 × 7.79 mm
Treatments: No indications of treatment
Laboratory: ALGT
Certificate number: 48337510

The gem is supplied accompanied by the relevant ALGT gemological certificate.

The laboratory certificate does not indicate geographic origin, therefore no specific provenance is attributed in the listing.

The play of colors may appear different depending on the light source, viewing angle, and screen settings. Please carefully review all photos, which are part of the description.

An important-sized natural opal, suitable for both collecting and the creation of a custom jewelry piece.

Natural Opal Crystal – 13.81 ct – ALGT Certificate

Natural Opal Crystal loose weighing 13.81 carats, cut in an elegant pear cabochon shape.

The stone presents a light gray, translucent base color, with a visible natural play of color, primarily red/orange, yellow and green reflections, which vary depending on the angle and lighting conditions.

Gem details:

Gem: Natural Opal Crystal
Weight: 13.81 ct
Shape / Cut: Pear cabochon
Color: Light gray with play of color
Transparency: Translucent
Measurements: 28.07 × 12.50 × 7.79 mm
Treatments: No indications of treatment
Laboratory: ALGT
Certificate number: 48337510

The gem is supplied accompanied by the relevant ALGT gemological certificate.

The laboratory certificate does not indicate geographic origin, therefore no specific provenance is attributed in the listing.

The play of colors may appear different depending on the light source, viewing angle, and screen settings. Please carefully review all photos, which are part of the description.

An important-sized natural opal, suitable for both collecting and the creation of a custom jewelry piece.

Details

Number of stones
1
Lab report number
48337510
Gemstone type
Opal
Total carat weight
13.81
Gemstone colour
Multicolour, White
Optical effect
Opalescence
Transparency
Translucent
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
Pear
Cutting style
Cabochon cut
ItalyVerified
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on Catawiki
Private

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