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Home Gemstones Black Opal
4.06 ct Multicolor Black Opal Gemstone, Black Opal Gem in Trillion Cabochon Shape for Sale.
Photos are of Actual Product for Sale
4.06 ct Multicolor Black Opal Stone, Natural Black Opal in Trillion Cabochon Shape for Sale Black Opal Gemstone in 13.7 x 13.1 mm Size for Sale, Black Opal Stone in Multicolor Color

4.06ct Natural Multicolor Black Opal, Trillion, 13.7x13.1 mm

9.7 out of 10
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Product ID: 679817
Type: Black Opal
Weight: 4.06 ct 1 gem
Size: mm calibrated
Size: 13.7 x 13.1 x 5.3 mm
Exact Size: 13.68 x 13.07 x 5.31 mm
Length x Width x Depth
Shape: Trillion Cabochon
Color: Multicolor
Clarity: Opaque
Treatment: Smoked
Origin: Ethiopia
Content: 1 pc
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Product Description

This is a 4.06 carat natural multicolor Black Opal gem, 1 pc in trillion shape with an exact size of 13.68 x 13.07 x 5.31 mm. This loose Black Opal gemstone was mined in Ethiopia and its clarity is Opaque.

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GemSelect Certified Store Reviews

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Overall Rating -> 10 star ratings

Excellent options

Posted By CJ in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great prices!!! High quality gemstones.

Posted By Ricky in October, 2025
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Overall Rating -> 10 star ratings

I could see the actual gem I was buying

Posted By Bugs in December, 2025
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Overall Rating -> 10 star ratings

Was a good experience.

Posted By Tim in July, 2025
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Overall Rating -> 7 star ratings

Easy, quick.

Posted By Mich in June, 2026
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Overall Rating -> 10 star ratings

All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.

Posted By Bob D in December, 2025
Source: Bizrate
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Turnaround Time: 3-4 working days Details
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Enlarged Gemstone Image