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Home Gemstones Black Opal

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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1.19ct Multicolor Black Opal, Trillion, Opaque

9 x 9 mm (calibrated)

$ 30.06

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2.44ct Multicolor Black Opal, Oval, Opaque

13 x 9 mm (calibrated)

$ 71.08

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1.07ct Multicolor Black Opal, Round, Opaque

8.5 mm (calibrated)

$ 27.03

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3.18ct Multicolor Black Opal, Oval, Opaque

13.7 x 10.7 mm

$ 92.64

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8.10ct Multicolor Black Opal, Oval, Opaque

15.7 x 13 mm

$ 336.15

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1.52ct Multicolor Black Opal, Oval, Translucent

11.2 x 7.3 mm

$ 37.85

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7.00ct Multicolor Black Opal, Fancy, Opaque

17.4 x 15.4 mm

$ 290.50

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1.41ct Multicolor Black Opal, Pear Shape, Opaque

11 x 7.5 mm

$ 36.15

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0.97ct Multicolor Black Opal, Oval, Translucent

9 x 6.5 mm

$ 24.15

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2.42ct Multicolor Black Opal, Oval, Transparent

12 x 8 mm (calibrated)

$ 80.34

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4.85ct Multicolor Black Opal, Trillion, Opaque

13 x 13 mm (calibrated)

$ 144.92

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1.38ct Multicolor Black Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 45.36

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1.76ct Multicolor Black Opal, Oval, Opaque

10 x 8 mm (calibrated)

$ 45.13

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6.01ct Multicolor Black Opal, Marquise, Opaque

18.3 x 9.5 mm

$ 249.42

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1.16ct Multicolor Black Opal, Marquise, Translucent

15.9 x 5.3 mm

$ 29.31

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3.10ct Multicolor Black Opal, Pear Shape, Opaque

15.6 x 10 mm

$ 128.65

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1.44ct Multicolor Black Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 47.33

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1.18ct Multicolor Black Opal, Trillion, Opaque

9 x 9 mm (calibrated)

$ 35.92

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0.68ct Multicolor Black Opal, Trillion, Opaque

7 x 7 mm (calibrated)

$ 20.70

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0.89ct Multicolor Black Opal, Emerald Cut, Opaque

9 x 6 mm (calibrated)

$ 22.82

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0.77ct Multicolor Black Opal, Trillion, Translucent

8 x 8 mm (calibrated)

$ 23.44

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2.60ct Multicolor Black Opal, Marquise, Translucent

18.8 x 7.2 mm

$ 65.69

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1.35ct Multicolor Black Opal, Pear Shape, Opaque

10.5 x 7.6 mm

$ 39.22

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1.28ct Multicolor Black Opal, Cushion, Opaque

11.4 x 5.6 mm

$ 38.96

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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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I could see the actual gem I was buying

Posted By Bugs in December, 2025
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I was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.

Posted By Atsuhisa in January, 2026
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Overall Rating -> 10 star ratings

Wonderful purchase, can't wait to see the stone.

Posted By Tim in January, 2026
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Overall Rating -> 10 star ratings

All good

Posted By DouscheGift in August, 2025
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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!

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Posted By ToRa.62 in April, 2026
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