Black Opal Gemstones
Explore natural black opal gemstones prized for their dramatic dark body tone and vibrant play-of-color.
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Bi-color
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Black
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Blue
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Brown
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Golden
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Gray
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Green
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Multicolor Black Opal
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Orange
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Pink
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Purple
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Red
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Turquoise
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Violet
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White
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Yellow
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Single |
Pairs |
Lots |
Faceted |
Cabochons |
1.60ct Multicolor Black Opal, Oval, Opaque
9.7 x 7.5 mm
$ 41.02
9.16ct Multicolor Black Opal, Trillion, Opaque
20.6 x 14.3 mm
$ 380.14
3.26ct Multicolor Black Opal, Pear Shape, Opaque
14.9 x 11.8 mm
$ 135.29
1.18ct Multicolor Black Opal, Oval, Opaque
9 x 7 mm (calibrated)
$ 31.03
1.28ctw Multicolor Black Opal, Oval, Translucent
6 x 4.2 mm
$ 42.07
2.08ct Multicolor Black Opal, Marquise, Opaque
15.3 x 7.1 mm
$ 52.56
3.82ct Multicolor Black Opal, Round, Opaque
11 mm (calibrated)
$ 111.29
5.51ctw Multicolor Black Opal, Oval, Translucent
9 x 7 mm (calibrated)
$ 126.34
11.03ct Multicolor Black Opal, Oval, Opaque
20.4 x 13.9 mm
$ 457.75
2.30ctw Multicolor Black Opal, Oval, Translucent
9 x 7 mm (calibrated)
$ 47.95
1.07ct Multicolor Black Opal, Oval, Opaque
9.5 x 7.3 mm
$ 31.08
2.16ct Multicolor Black Opal, Sphere / Ball, Opaque
8 mm (calibrated)
$ 64.54
5.15ct Multicolor Black Opal, Oval, Opaque
15.1 x 11.7 mm
$ 213.73
1.17ct Multicolor Black Opal, Oval, Translucent
9 x 7 mm (calibrated)
$ 29.13
4.12ct Multicolor Black Opal, Pear Shape, Opaque
15.9 x 9.2 mm
$ 170.98
5.72ctw Multicolor Black Opal, Oval, Opaque
9 x 7 mm (calibrated)
$ 170.91
1.54ct Multicolor Black Opal, Oval, Translucent
10.5 x 8.3 mm
$ 38.35
47.99ct Multicolor Black Opal, Pear Shape, Opaque
31.2 x 27.1 mm
$ 4,779.80
0.83ct Multicolor Black Opal, Pear Shape, Opaque
10 x 7 mm (calibrated)
$ 24.11
8.82ct Multicolor Black Opal, Oval, Opaque
19.3 x 13 mm
$ 263.54
11.99ct Multicolor Black Opal, Oval, Opaque
20 x 15 mm (calibrated)
$ 497.59
4.13ct Multicolor Black Opal, Oval, Opaque
12.8 x 10.5 mm
$ 171.40
1.44ct Multicolor Black Opal, Marquise, Opaque
13.7 x 6 mm
$ 36.38
4.06ct Multicolor Black Opal, Trillion, Opaque
13.7 x 13.1 mm
$ 121.31
Why Buy Black Opal from GemSelect?
- Trusted Worldwide Since 2003
- Supplying natural gemstones to jewelers and collectors in 120+ countries
- Verified natural gemstones
- View All GemSelect Reviews on Bizrate
- Secure checkout and insured worldwide delivery
- 30-day returns and satisfaction guarantee
Natural Black Opal Gemstones
Natural black opal gemstones are valued for their dark body color, which enhances vivid flashes of red, blue, and green play-of-color. These rare opals are among the most sought-after varieties in the world.
Loose Black Opals for Jewelry
Loose black opals are ideal for custom jewelry designs, allowing jewelers to showcase each stone’s unique color patterns. They are especially popular for rings, pendants, and statement pieces.
Australian Black Opal
Most fine black opals originate from Australia, particularly Lightning Ridge. Australian black opal is renowned for its strong color contrast, durability, and consistent quality.
Black Opal Play-of-Color
The defining feature of black opal is its intense play-of-color, created by light interacting with microscopic silica spheres. Darker body tones make these colors appear brighter and more dynamic.
Black Opal Cuts and Shapes
Black opals are commonly cut as cabochons to maximize color display, though select stones may be faceted. Popular shapes include oval, freeform, and pear.
Investment-Grade Black Opals
High-quality black opals with strong brightness and rare color combinations are often purchased by collectors as long-term investments due to their limited supply.
Learn more about opal varieties, structure, and care on our Opal Information Page.
FAQs
What makes black opal more valuable than other opals?
Black opal’s dark body tone enhances color intensity, making its play-of-color more vivid and rare compared to white or crystal opals.
Are all black opals from Australia?
Most fine black opals come from Australia, especially Lightning Ridge, though smaller deposits exist elsewhere.
Are GemSelect black opals natural?
Yes, all black opal gemstones sold by GemSelect are natural, with any treatments fully disclosed for transparency.
Is black opal suitable for everyday jewelry?
Black opal can be worn daily with care. Protective settings are recommended, as opals are softer than many other gemstones.
How should black opal gemstones be cared for?
Avoid harsh chemicals, extreme heat, and prolonged dryness. Clean gently with a soft cloth and store separately.
GemSelect Certified Store Reviews
GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 8 
First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.
Overall Rating -> 10 
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!
Overall Rating -> 10
Navigating the site was very easy and the photos of the exact gem you would be purchasing was well done.
Overall Rating -> 10
IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.
Overall Rating -> 9 
It was great!
Overall Rating -> 10
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