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Black Opal Gemstones

Explore natural black opal gemstones prized for their dramatic dark body tone and vibrant play-of-color.

Black Opal Weight
Black Opal Size
Black Opal Clarity
Black Opal Price

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color
Black
Blue
Brown
Golden
Gray
Green
Multicolor Black Opal
Orange
Pink
Purple
Red
Turquoise
Violet
White
Yellow
Single
Pairs
Lots
Faceted
Cabochons
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1.82ct Multicolor Black Opal, Oval, Opaque

10.3 x 8.7 mm

$ 63.70

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1.00ct Multicolor Black Opal, Square, Opaque

6.6 x 6.5 mm

$ 30.89

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2.65ctw Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 73.21

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1.45ct Multicolor Black Opal, Oval, Translucent

10.7 x 7.7 mm

$ 43.93

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2.31ctw Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 91.48

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3.98ct Multicolor Black Opal, Pear Shape, Opaque

14.7 x 9.1 mm

$ 199.00

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1.25ct Multicolor Black Opal, Oval, Translucent

10 x 8 mm (calibrated)

$ 37.50

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7.46ct Multicolor Black Opal, Pear Shape, Opaque

16 x 12 mm (calibrated)

$ 373.00

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1.92ct Multicolor Black Opal, Oval, Opaque

12 x 8 mm (calibrated)

$ 59.31

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1.12ct Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 33.60

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2.79ctw Multicolor Black Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 110.48

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2.90ct Multicolor Black Opal, Oval, Opaque

13.5 x 10.8 mm

$ 145.00

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8.91ct Multicolor Black Opal, Oval, Opaque

18 x 13 mm (calibrated)

$ 445.50

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2.72ctw Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 97.92

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2.16ct Multicolor Black Opal, Sphere / Ball, Opaque

8 mm (calibrated)

$ 77.76

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1.36ct Multicolor Black Opal, Oval, Translucent

10 x 8 mm (calibrated)

$ 40.80

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1.66ct Multicolor Black Opal, Oval, Translucent

10.7 x 8.4 mm

$ 49.80

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1.03ct Multicolor Black Opal, Pear Shape, Opaque

8.7 x 7.4 mm

$ 31.82

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7.09ct Multicolor Black Opal, Pear Shape, Opaque

18 x 13 mm (calibrated)

$ 255.24

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1.60ct Multicolor Black Opal, Oval, Opaque

9.7 x 7.5 mm

$ 49.42

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2.65ctw Multicolor Black Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 104.94

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2.37ct Multicolor Black Opal, Oval, Translucent

13 x 9 mm (calibrated)

$ 71.10

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1.34ct Multicolor Black Opal, Oval, Translucent

9.7 x 7.4 mm

$ 40.20

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13.11ct Multicolor Black Opal, Oval, Opaque

22.8 x 17 mm

$ 655.50

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Why Buy Black Opal from GemSelect?

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.

Loose Black Opal Gemstones for Jewelry and Collecting

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 star ratings

I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.

Posted By Jewelry Quality Stones in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Filters need to be improved but rest of website is great

Posted By Rock hound in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

They have a wonderful selection of gems of all sorts, shapes, cuts, and quality. I am very particular about the quality of stones I buy, and found many with VVS clarity and excellent cut and polish. I am thrilled with each of the stones I purchased, and would definitely recommend GemSelect to everyone.

Posted By Debsarabs in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

No problems. I had a minor address issue in the past and someone got back to me very quickly and we resolved the issue satisfactorily. I appreciated the quick, concerned response. So important when buyer/seller are so far apart in distance. Thank you Gem Select. Keep up the good work!

Posted By Orphanboy in December, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 2025
Source: Bizrate

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
Source: Bizrate
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