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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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5.66ct Multicolor Black Opal, Oval, Opaque

16 x 12 mm (calibrated)

$ 169.80

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2.17ct Multicolor Black Opal, Pear Shape, Translucent

13.4 x 8.3 mm

$ 65.75

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5.36ct Multicolor Black Opal, Cushion, Opaque

12 x 12 mm (calibrated)

$ 192.96

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1.71ct Multicolor Black Opal, Oval, Translucent

10 x 8 mm (calibrated)

$ 51.82

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6.68ct Multicolor Black Opal, Marquise, Opaque

20 x 10 mm (calibrated)

$ 240.48

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7.64ct Multicolor Black Opal, Oval, Opaque

16.8 x 13.3 mm

$ 275.04

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7.14ct Multicolor Black Opal, Oval, Translucent

19.9 x 12.1 mm

$ 214.20

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2.79ctw Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 92.07

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4.60ct Multicolor Black Opal, Cushion, Opaque

16.9 x 9.3 mm

$ 165.60

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0.94ct Multicolor Black Opal, Pear Shape, Opaque

10 x 7 mm (calibrated)

$ 29.04

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3.09ct Multicolor Black Opal, Pear Shape, Transparent

19.1 x 8.7 mm

$ 108.46

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1.22ct Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 48.31

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1.07ct Multicolor Black Opal, Oval, Opaque

9.5 x 7.3 mm

$ 37.45

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4.65ct Multicolor Black Opal, Pear Shape, Translucent

15 x 10 mm (calibrated)

$ 163.22

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0.89ct Multicolor Black Opal, Emerald Cut, Opaque

9 x 6 mm (calibrated)

$ 27.49

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1.55ct Multicolor Black Opal, Oval, Opaque

9.5 x 7.3 mm

$ 47.88

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6.46ct Multicolor Black Opal, Oval, Opaque

16 x 12 mm (calibrated)

$ 232.56

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3.48ct Multicolor Black Opal, Pear Shape, Translucent

15.3 x 11.2 mm

$ 122.15

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1.30ct Multicolor Black Opal, Oval, Translucent

10.1 x 7.6 mm

$ 32.50

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1.38ct Multicolor Black Opal, Oval, Translucent

9.4 x 7.4 mm

$ 41.40

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1.61ct Multicolor Black Opal, Oval, Opaque

14 x 10 mm (calibrated)

$ 80.50

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1.22ct Multicolor Black Opal, Oval, Translucent

10 x 7 mm (calibrated)

$ 36.60

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5.92ct Multicolor Black Opal, Oval, Opaque

16.1 x 12.5 mm

$ 213.12

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11.76ct Multicolor Black Opal, Pear Shape, Opaque

22.5 x 15 mm

$ 588.00

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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 -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

I've purchased things from GemSelect before. What you see is what you get, which is not always the case with gem sites online. You can find some good value with gem select, and I will buy from them again.

Posted By Meyeusername in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Very large selection from affordable to high end I will be coming back to shop again!

Posted By GreenGator in August, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

It was a good interaction I got a good gemstone for cheap

Posted By Jon in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the product and the details about each of them.

Posted By Love It! in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect is always my first choice for purchasing gemstones. The fact that the gems are always exactly as described and pictured on the website has earned my trust many times over. Even when I don't buy, I still love browsing all the beautiful stones. My new favorites are the bright green Tsavorites!

Posted By Lkcisneros in March, 2026
Source: Bizrate
Enlarged Gemstone Image