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Home Gemstones Black Opal
4.85 ct Multicolor Black Opal Gemstone, Black Opal Gem in Trillion Cabochon Shape for Sale.
Photos are of Actual Product for Sale
4.85 ct Multicolor Black Opal Stone, Natural Black Opal in Trillion Cabochon Shape for Sale Black Opal Gemstone in 13 x 13 mm (calibrated) Size for Sale, Black Opal Stone in Multicolor Color

4.85ct Natural Multicolor Black Opal, Trillion, 13.1x12.9 mm

9.7 out of 10
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Product ID: 679973
Type: Black Opal
Weight: 4.85 ct 1 gem
Size: 13 x 13 mm calibrated
Size: 13.1 x 12.9 x 6.6 mm
Exact Size: 13.11 x 12.92 x 6.59 mm
Length x Width x Depth
Shape: Trillion Cabochon
Color: Multicolor
Clarity: Opaque
Treatment: Smoked
Origin: Ethiopia
Content: 1 pc
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Product Description

This is a 4.85 carat natural multicolor Black Opal gem, 1 pc in trillion shape with an exact size of 13.11 x 12.92 x 6.59 mm. This loose Black Opal gemstone was mined in Ethiopia and its clarity is Opaque.

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Overall Rating -> 10 star ratings

Easy and functional

Posted By Dessa in March, 2026
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Overall Rating -> 10 star ratings

Very good

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

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 2026
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Very pleasant

Posted By Varun in June, 2026
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Very food

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

The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.

Posted By Jen in December, 2025
Source: Bizrate
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