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Home Gemstones Black Opal
1.86 ct Multicolor Black Opal Gemstone, Black Opal Gem in Round Facet Shape for Sale.
Photos are of Actual Product for Sale
1.86 ct Multicolor Black Opal Stone, Natural Black Opal in Round Facet Shape for Sale Black Opal Gemstone in 8.5 mm (calibrated) Size for Sale, Black Opal Stone in Multicolor Color

1.86ct Natural Multicolor Black Opal, Round Cut, 8.51 mm

9.7 out of 10
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Product ID: 755693
Type: Black Opal
Weight: 1.86 ct 1 gem
Size: 8.5 mm calibrated
Size: 8.5 mm
Exact Size: 8.51 x 6.42 mm
Diameter x Depth
Shape: Round Facet
Color: Multicolor
Clarity: Opaque
Treatment: Smoked
Origin: Ethiopia
Content: 1 pc
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Product Description

This is a 1.86 carat natural multicolor Black Opal gem, 1 pc in round shape with an exact size of 8.51 mm x 6.42 mm . This loose Black Opal gemstone was mined in Ethiopia and its clarity is Opaque.

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Overall Rating -> 10 star ratings

My whole experience is great.

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My experience was done with ease

Posted By Barb in October, 2025
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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 good

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Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.

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