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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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12.21ct Multicolor Black Opal, Oval, Opaque

21.9 x 14.4 mm

$ 610.50

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1.27ct Multicolor Black Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 41.74

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2.17ct Multicolor Black Opal, Marquise, Translucent

18.3 x 6.3 mm

$ 54.82

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1.41ctw Multicolor Black Opal, Oval, Translucent

6 x 4 mm (calibrated)

$ 46.35

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2.67ctw Multicolor Black Opal, Oval, Translucent

10 x 8 mm (calibrated)

$ 67.15

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1.00ct Multicolor Black Opal, Square, Opaque

6.6 x 6.5 mm

$ 25.64

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2.35ctw Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 53.89

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0.79ct Multicolor Black Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 21.64

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2.12ct Multicolor Black Opal, Oval, Opaque

10.6 x 8.4 mm

$ 61.59

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1.35ct Multicolor Black Opal, Oval, Translucent

11 x 9 mm (calibrated)

$ 28.01

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1.03ct Multicolor Black Opal, Pear Shape, Opaque

8.7 x 7.4 mm

$ 26.41

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0.77ct Multicolor Black Opal, Emerald Cut, Opaque

8.2 x 6.4 mm

$ 19.75

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3.38ct Multicolor Black Opal, Cushion, Opaque

13.9 x 7.9 mm

$ 100.99

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1.26ct Multicolor Black Opal, Cushion, Opaque

9 x 7 mm (calibrated)

$ 36.60

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0.99ct Multicolor Black Opal, Emerald Cut, Opaque

8.5 x 5.9 mm

$ 25.38

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2.75ct Multicolor Black Opal, Oval, Translucent

12.4 x 9.1 mm

$ 68.48

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7.51ct Multicolor Black Opal, Pear Shape, Opaque

17 x 12.7 mm

$ 224.40

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1.22ct Multicolor Black Opal, Oval, Translucent

9.4 x 7.3 mm

$ 30.38

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1.69ct Multicolor Black Opal, Oval, Translucent

10.5 x 8.2 mm

$ 42.08

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1.85ctw Multicolor Black Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 60.81

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1.12ct Multicolor Black Opal, Emerald Cut, Opaque

9 x 7 mm (calibrated)

$ 32.54

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4.00ct Multicolor Black Opal, Cushion, Opaque

17.9 x 8.5 mm

$ 119.52

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3.85ct Multicolor Black Opal, Marquise, Opaque

18 x 9 mm (calibrated)

$ 112.17

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1.61ct Multicolor Black Opal, Oval, Opaque

14 x 10 mm (calibrated)

$ 66.82

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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!

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Posted By SallyO in February, 2026
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It was fine

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Overall Rating -> 10 star ratings

I purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.

Posted By MVK in July, 2025
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Overall Rating -> 10 star ratings

I can pick and choose from large selection and find just what I need for .y projects, currently my cane.

Posted By Darkstar731 in July, 2025
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Overall Rating -> 10 star ratings

Good selection prices are reasonable!

Posted By ToRa62 in April, 2026
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Overall Rating -> 10 star ratings

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
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