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3.57 ct Multicolor Black Opal Gemstone, Black Opal Gem in Trillion Cabochon Shape for Sale.
Photos are of Actual Product for Sale
3.57 ct Multicolor Black Opal Stone, Natural Black Opal in Trillion Cabochon Shape for Sale Black Opal Gemstone in 12.9 x 12.1 mm Size for Sale, Black Opal Stone in Multicolor Color

3.57ct Natural Multicolor Black Opal, Trillion, 12.9x12.1 mm

9.7 out of 10
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Product ID: 324524
Type: Black Opal
Weight: 3.57 ct 1 gem
Size: mm calibrated
Size: 12.9 x 12.1 x 5.6 mm
Exact Size: 12.86 x 12.12 x 5.59 mm
Length x Width x Depth
Shape: Trillion Cabochon
Color: Multicolor
Clarity: Opaque
Treatment: Smoked
Origin: Ethiopia
Content: 1 pc
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$
142.80
Item is Sold
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Product Description

This is a 3.57 carat natural multicolor Black Opal gem, 1 pc in trillion shape with an exact size of 12.86 x 12.12 x 5.59 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 -> 9 star ratings

Nothing bad to report. Everything is as expected. The gems and the price are all very good.

Posted By Dafanatic in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

If you have motion picture, then I will be more satisfied with.

Posted By Ray in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

selection was broad and the check out was quick. Great site

Posted By JC Karl in September, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was fine . Wish there had been more round stones to select from

Posted By Emm in January, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

I think therea's no problem

Posted By Napoleon in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Absolutely love the website, selection and products. Can you guys add a gemstones with inclusions tab. I like those it'd be nice to have them all in one place but i do understand it would be alot of work to go through and categorize them. Thank you anyways

Posted By The homie edgar in December, 2025
Source: Bizrate
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