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13.04 ct Black Opal Gemstone, Opal Gem in Marquise Cabochon Shape for Sale.
Photos are of Actual Product for Sale
13.04 ct Black Opal Stone, Natural Opal in Marquise Cabochon Shape for Sale Opal Gemstone in 29.8 x 13.9 mm Size for Sale, Opal Stone in Black Color

13.04ct Natural Black Opal, Marquise, 29.8x13.9 mm

9.6 out of 10
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Product ID: 664567
Type: Opal
Weight: 13.04 ct 1 gem
Size: mm calibrated
Size: 29.8 x 13.9 x 7.3 mm
Exact Size: 29.79 x 13.90 x 7.30 mm
Length x Width x Depth
Shape: Marquise Cabochon
Color: Black
Clarity: Opaque
Treatment: Smoked
Origin: Ethiopia
Content: 1 pc
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$
516.38
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Product Description

This is a 13.04 carat natural black Opal gem, 1 pc in marquise shape with an exact size of 29.79 x 13.90 x 7.30 mm. This loose Opal gemstone was mined in Ethiopia and its clarity is Opaque.

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Overall Rating -> 10 star ratings

Very good place to buy gemstones

Posted By Elansary in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

No problems. I had a minor address issue in the past and someone got back to me very quickly and we resolved the issue satisfactorily. I appreciated the quick, concerned response. So important when buyer/seller are so far apart in distance. Thank you Gem Select. Keep up the good work!

Posted By Orphanboy in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the product and the details about each of them.

Posted By Love It! in July, 2025
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Overall Rating -> 10 star ratings

I am filling a small treasure chest and picked a nice amethyst.

Posted By VinnyD in August, 2025
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Overall Rating -> 10 star ratings

I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

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

Enjoy every moment

Posted By Ferns in October, 2025
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