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4.01 ct Multicolor Black Opal Gemstone, Black Opal Gem in Trillion Cabochon Shape for Sale.
Photos are of Actual Product for Sale
4.01 ct Multicolor Black Opal Stone, Natural Black Opal in Trillion Cabochon Shape for Sale Black Opal Gemstone in 12 x 12 mm (calibrated) Size for Sale, Black Opal Stone in Multicolor Color

4.01ct Natural Multicolor Black Opal, Trillion, 12.4x11.8 mm

9.6 out of 10
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Product ID: 746107
Type: Black Opal
Weight: 4.01 ct 1 gem
Size: 12 x 12 mm calibrated
Size: 12.4 x 11.8 x 6.4 mm
Exact Size: 12.39 x 11.80 x 6.38 mm
Length x Width x Depth
Shape: Trillion Cabochon
Color: Multicolor
Clarity: Opaque
Treatment: Smoked
Origin: Ethiopia
Content: 1 pc
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$
140.75
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Product Description

This is a 4.01 carat natural multicolor Black Opal gem, 1 pc in trillion shape with an exact size of 12.39 x 11.80 x 6.38 mm. This loose Black Opal gemstone was mined in Ethiopia and its clarity is Opaque.

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Overall Rating -> 10 star ratings

It was good. There was a large selection at prices I could afford.

Posted By Zorah in February, 2026
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Easy to use website

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Overall Rating -> 9 star ratings

Everything was good, the purchase was what I expected and what they show is what you get.

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

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
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