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3.18 ct Multicolor Black Opal Gemstone, Black Opal Gem in Round Cabochon Shape for Sale.
Photos are of Actual Product for Sale
3.18 ct Multicolor Black Opal Stone, Natural Black Opal in Round Cabochon Shape for Sale Black Opal Gemstone in 11 mm (calibrated) Size for Sale, Black Opal Stone in Multicolor Color

3.18ct Natural Multicolor Black Opal, Round Cut, 11.31 mm

9.8 out of 10
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Black Opal Product ID: 746100
Type: Black Opal
Black Opal Weight: 3.18 ct Black Opal 1 gem
Black Opal Size: 11 mm calibrated Black Opal
Black Opal Size: 11.3 mm Black Opal
Black Opal Exact Size: 11.31 x 5.80 mm
Diameter x Depth
Black Opal Shape: Round Cabochon Black Opal
Black Opal Color: Multicolor Black Opal
Black Opal Clarity: Transparent Black Opal
Black Opal Treatment: Smoked
Black Opal Origin: Ethiopia Black Opal
Content: 1 pc
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$
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Product Description

This is a 3.18 carat natural multicolor Black Opal gem, 1 pc in round shape with an exact size of 11.31 mm x 5.80 mm . This loose Black Opal gemstone was mined in Ethiopia and its clarity is Transparent.

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GemSelect Certified Store Reviews

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Overall Rating -> 10 star ratings

All good

Posted By DouscheGift in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love how easy the site is to use. Really love that the pictures are of actual product.

Posted By LeAnn in January, 2026
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Overall Rating -> 10 star ratings

Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.

Posted By JD in July, 2025
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Overall Rating -> 10 star ratings

I would recommend gem select yo everyone Fast service and no problems

Posted By Steve in March, 2025
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Overall Rating -> 9 star ratings

It was great!

Posted By Annie in September, 2025
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Overall Rating -> 10 star ratings

I love the products. I've bought them as gifts and people love my gifts

Posted By Love it! in February, 2026
Source: Bizrate
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