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 |
2.66ct Multicolor Black Opal, Oval, Opaque
15.2 x 8.5 mm
$ 133.00
2.74ctw Multicolor Black Opal, Oval, Opaque
9 x 7 mm (calibrated)
$ 108.50
1.55ct Multicolor Black Opal, Oval, Translucent
10 x 8 mm (calibrated)
$ 46.50
8.57ct Multicolor Black Opal, Round, Opaque
14 mm (calibrated)
$ 428.50
1.69ct Multicolor Black Opal, Oval, Translucent
10.5 x 8.2 mm
$ 50.70
2.31ctw Multicolor Black Opal, Oval, Translucent
9 x 7 mm (calibrated)
$ 91.48
1.23ct Multicolor Black Opal, Oval, Transparent
9 x 7 mm (calibrated)
$ 49.20
1.14ct Multicolor Black Opal, Oval, Translucent
9 x 7 mm (calibrated)
$ 45.14
2.13ct Multicolor Black Opal, Oval, Opaque
12.2 x 7.7 mm
$ 85.20
1.05ct Multicolor Black Opal, Pear Shape, Translucent
10.9 x 6.2 mm
$ 31.81
1.29ct Multicolor Black Opal, Oval, Translucent
9 x 7 mm (calibrated)
$ 51.08
1.40ct Multicolor Black Opal, Trillion, Opaque
9 x 9 mm (calibrated)
$ 49.00
2.23ct Multicolor Black Opal, Oval, Translucent
13 x 9 mm (calibrated)
$ 66.90
2.74ct Multicolor Black Opal, Oval, Transparent
11.7 x 8.8 mm
$ 109.60
1.45ct Multicolor Black Opal, Oval, Opaque
10.4 x 7.3 mm
$ 44.79
4.04ct Multicolor Black Opal, Oval, Opaque
15 x 10 mm (calibrated)
$ 202.00
1.67ct Multicolor Black Opal, Oval, Translucent
12.3 x 8.7 mm
$ 50.10
3.38ct Multicolor Black Opal, Cushion, Opaque
13.9 x 7.9 mm
$ 121.68
0.99ct Multicolor Black Opal, Trillion, Opaque
8.8 x 8 mm
$ 30.58
0.90ct Multicolor Black Opal, Cushion, Opaque
8.7 x 6.5 mm
$ 27.80
2.90ct Multicolor Black Opal, Oval, Transparent
13.1 x 8.5 mm
$ 116.00
1.87ct Multicolor Black Opal, Marquise, Opaque
17.2 x 8.2 mm
$ 57.76
2.61ct Multicolor Black Opal, Oval, Opaque
12.7 x 9.5 mm
$ 104.40
2.79ctw Multicolor Black Opal, Oval, Opaque
7 x 5 mm (calibrated)
$ 110.48
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 -> 9 
The checkout said the my ccv was invalid. i had to use another card.
Overall Rating -> 9
It was fine . Wish there had been more round stones to select from
Overall Rating -> 10 
this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.
Overall Rating -> 8 
I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.
Overall Rating -> 8
Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use
Overall Rating -> 10
Took a chance on purchasing my gemstones from Gemselect and was impressed. 10/10
