Opal - 16.33 ct - International Colored Gemstone Association (ICA GemLab)

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One natural opal cabochon, 16.33 carats, transparent, with ICA GemLab report TH26G117769 and no thermal treatment.

AI-assisted summary

Description from the seller

Gemstone: Natural Opal
Dimensions: 20.28 x 18.50 x 9.76 mm
Clarity: opaque
No treatment
Weight: 16.33 carats
Certificate: ICA Certified
- Purity: opaque/translucent
- color: light blue/brownish-orange, optical effects
- Oil-like luster
- no signs of wear
- Shipping method:
Insurance with protection

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Details

Lab report number

TH26G117769

Gemstone type

Opal

Total carat weight

16.33

Optical effect

Play of colour

Transparency

Transparent

Treatment

No heat treatment

Laboratory report

International Colored Gemstone Association (ICA GemLab)

Sealed by laboratory

Yes

Shape

Pear

Cutting style

Cabochon cut

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antique

FranceVerified

Objects sold

71.43%

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