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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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6.01ct Multicolor Black Opal, Marquise, Opaque

18.3 x 9.5 mm

$ 300.50

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2.37ct Multicolor Black Opal, Oval, Opaque

13.2 x 9.6 mm

$ 83.19

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1.04ct Multicolor Black Opal, Emerald Cut, Opaque

8.3 x 6.9 mm

$ 36.40

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7.46ct Multicolor Black Opal, Pear Shape, Opaque

16 x 12 mm (calibrated)

$ 373.00

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2.38ctw Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 94.25

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1.39ct Multicolor Black Opal, Oval, Translucent

9.3 x 7.4 mm

$ 41.70

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2.67ct Multicolor Black Opal, Oval, Translucent

13 x 9 mm (calibrated)

$ 80.10

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0.88ct Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 26.40

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1.71ct Multicolor Black Opal, Oval, Opaque

9.8 x 8.6 mm

$ 52.82

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1.15ct Multicolor Black Opal, Pear Shape, Translucent

10 x 7 mm (calibrated)

$ 34.85

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1.70ctw Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 61.20

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1.19ct Multicolor Black Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 36.76

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47.99ct Multicolor Black Opal, Pear Shape, Opaque

31.2 x 27.1 mm

$ 5,758.80

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1.18ct Multicolor Black Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 37.38

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0.97ct Multicolor Black Opal, Emerald Cut, Opaque

8.5 x 6.2 mm

$ 29.96

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1.10ct Multicolor Black Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 33.98

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1.19ct Multicolor Black Opal, Oval, Translucent

10 x 8 mm (calibrated)

$ 35.70

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2.19ct Multicolor Black Opal, Oval, Opaque

13.7 x 7.5 mm

$ 87.60

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1.27ct Multicolor Black Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 50.29

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2.00ct Multicolor Black Opal, Sphere / Ball, Opaque

7.5 mm

$ 72.00

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1.17ct Multicolor Black Opal, Cushion, Opaque

10.3 x 6.4 mm

$ 36.14

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7.51ct Multicolor Black Opal, Oval, Opaque

20.7 x 11.7 mm

$ 375.50

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3.56ct Multicolor Black Opal, Oval, Opaque

13.3 x 9.9 mm

$ 124.96

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1.17ct Multicolor Black Opal, Oval, Translucent

9.3 x 7.4 mm

$ 35.10

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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

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
Source: Bizrate

Overall Rating -> 10 star ratings

So far, my experience was great...Thanks

Posted By Kaydi in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.

Posted By Fried Rice in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I was looking for a small gift for a friend- the process is the same as every other time and was very simple, and she even got her gift early! On the downside, there's no way to easily keep track of multiple Shipping Addresses, so if I want to send a gift to Friend A and to Friend B, I have to overwrite everything and it's a fair bit clunky in that regard.

Posted By Jezzi in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

My experience has always been fantastic. Today I saved 6 gems to email a customer looking for a particular color blend to fit into an east west setting, so her options were limited, but we found one she wanted, deleted all the others in the cart and order the gem she selected. It was helpful to be able to put them in the cart so I could save them until she selected the one she wanted without having to research all of them again.

Posted By RJ in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great experience. I can't wait to explore on the website further.

Posted By Kymmie in September, 2025
Source: Bizrate
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