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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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2.67ct Multicolor Black Opal, Oval, Translucent

13 x 9 mm (calibrated)

$ 80.10

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1.38ct Multicolor Black Opal, Pear Shape, Opaque

11.4 x 7.7 mm

$ 48.30

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0.83ct Multicolor Black Opal, Oval, Opaque

8.7 x 6.6 mm

$ 25.64

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1.74ctw Multicolor Black Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 68.90

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4.85ct Multicolor Black Opal, Trillion, Opaque

13 x 13 mm (calibrated)

$ 174.60

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1.04ct Multicolor Black Opal, Emerald Cut, Opaque

8.3 x 6.9 mm

$ 36.40

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1.49ctw Multicolor Black Opal, Oval, Translucent

6.1 x 4.2 mm

$ 59.00

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2.75ct Multicolor Black Opal, Oval, Translucent

12 x 8 mm (calibrated)

$ 82.50

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1.30ct Multicolor Black Opal, Round, Opaque

8.5 mm (calibrated)

$ 40.16

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1.47ct Multicolor Black Opal, Sphere / Ball, Opaque

7 mm (calibrated)

$ 44.10

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1.75ct Multicolor Black Opal, Pear Shape, Opaque

12 x 8.4 mm

$ 87.50

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2.74ct Multicolor Black Opal, Oval, Transparent

11.7 x 8.8 mm

$ 109.60

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6.46ct Multicolor Black Opal, Oval, Opaque

16 x 12 mm (calibrated)

$ 232.56

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1.25ct Multicolor Black Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 39.60

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3.48ct Multicolor Black Opal, Pear Shape, Translucent

15.3 x 11.2 mm

$ 122.15

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8.91ct Multicolor Black Opal, Oval, Opaque

18 x 13 mm (calibrated)

$ 445.50

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2.23ct Multicolor Black Opal, Oval, Translucent

13 x 9 mm (calibrated)

$ 66.90

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3.72ct Multicolor Black Opal, Round, Translucent

11.5 mm

$ 130.57

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5.51ctw Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 152.22

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1.36ct Multicolor Black Opal, Oval, Opaque

10.2 x 7.3 mm

$ 47.60

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3.16ct Multicolor Black Opal, Oval, Opaque

13.6 x 9.6 mm

$ 110.92

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1.17ct Multicolor Black Opal, Oval, Translucent

9.3 x 7.4 mm

$ 35.10

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5.55ct Multicolor Black Opal, Trillion, Opaque

13.3 x 14.2 mm

$ 199.80

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3.30ct Multicolor Black Opal, Oval, Opaque

14.7 x 11 mm

$ 115.83

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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

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

Posted By Kymmie in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good

Posted By Niska in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

Posted By Marti in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found exactly what I was looking for and ordered it. I like how you give information on the stones I'm buying. Glad I found you!

Posted By TheP in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection of gems at a reasonable price

Posted By Curt in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The stones are very nice.

Posted By Mvk in August, 2025
Source: Bizrate
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