Australian Dark Opal

Explore our beautiful collection of genuine Australian dark opal. These natural gemstones feature a semi dark background, typically dark gray, that provides a stunning canvas for their play of color. Sourced directly from the historic outback mines of Lightning Ridge, these solid stones offer brilliant and fiery color play similar to black opal but at a more accessible price point. Every dark opal in our collection is guaranteed one hundred percent natural and completely untreated. Whether you are a jewelry designer or a gemstone collector, our stones offer exceptional quality and beauty. Browse our selection of dark opals below to find your perfect piece and enjoy secure worldwide shipping on every order.

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2.96ct Dark Opal Green Blue Fire

AU$816
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2.29ct Natural Dark Opal Blue Green Fire

AU$802
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3.93ct Dark Opal Blue Green Fire

AU$731
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1.97ct Natural Dark Opal Rainbow Fire

AU$703
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1.15ct Natural Dark Opal – Teardrop Multi-Color

AU$682
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1.81ct Natural Dark Opal – Pear Green Yellow

AU$682
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0.77ct Natural Dark Opal Multicolor fire

AU$668
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5.9ct Natural Dark Opal Lightning Ridge

AU$668
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Australian Dark Opal Pinfire Pear 1.02ct Lightning Ridge

AU$633
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1.47ct Natural Dark Opal Multicolor Fire

AU$527
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Australian Dark Opal Oval 0.55ct Lightning Ridge

AU$492
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4.72ct Natural Dark Opal – Half Moon Multicolor

AU$450
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1.06 ct Dark Opal Heart

AU$450
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Australian Dark Opal Pear 1ct Lightning Ridge

AU$415
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4.14ct Natural Dark Opal Teardrop Green Blue

Original price was: AU$450.Current price is: AU$405.
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Australian Dark Opal Pear 0.64ct Lightning Ridge

AU$387
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4.98 ct Dark Crystal Opal Lightning Ridge

AU$338
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1.26ct Natural Dark Opal – Teardrop Green Blue

AU$260
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1.08ct Natural Dark Opal Green Fire

AU$211
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1.64ct Natural Dark Opal Bright Green Blue Cyan Fire

AU$204

What Is Australian Dark Opal?

Australian dark opal is a solid precious gemstone with a body tone that sits between light opal and black opal. While white opals feature a milky base and black opals feature a jet black base, dark opals display a dark gray background. This semi dark canvas is incredibly effective at absorbing excess light. It prevents the internal colors from washing out, allowing flashes of green, blue, orange, and red to stand out with superb contrast.

Where Are These Opals Mined?

These unique gemstones are mined in the same sedimentary claystone layers as premium black opals. The vast majority of our dark opals come from Lightning Ridge in New South Wales. This region produces some of the most stable and structurally durable opals in the world.

Designing Jewelry With Dark Opal

Because dark opals offer the same stability as black opals, they are highly versatile and durable enough for everyday wear. Buying a loose dark opal is a fantastic way to begin a custom jewelry project. Designers frequently use these stones for custom rings, elegant pendants, and delicate earring pairs. They represent a highly strategic choice for collectors looking to create high impact designs without paying the premium prices of jet black gems.

How to Care for Your Solid Gemstone

Solid dark opals are durable but still require gentle care to maintain their beautiful polish. You should always store your loose gems safely to prevent surface scratches. When it is time to clean your stone, use a soft cloth and warm water. You must avoid using harsh chemicals or ultrasonic cleaning machines. For complete information on protecting your gemstone purchase, please review our returns policy page.

Frequently Asked Questions

What is a dark opal?

Dark opal is a solid precious gemstone with a dark gray body tone. This background provides a high contrast canvas that makes the bright internal colors of the gemstone highly visible.

Is dark opal natural?

Yes, every dark opal in our collection is completely natural and solid. We guarantee they are untreated and never assembled as artificial composite stones.

Where does dark opal come from?

Most authentic dark opals are mined in Lightning Ridge, New South Wales, Australia. The Geoscience Australia agency confirms this region is world famous for producing these beautiful and durable gemstones.

Why choose a dark opal?

Dark opals are highly valued because they offer excellent color play and deep contrast. They provide the brilliant look of a black opal but generally sit at a more affordable price point.

Can I use dark opal for everyday jewelry?

Yes, solid dark opals are highly durable and stable. They are excellent choices for custom rings and pendants, provided they are set securely in protective precious metal settings.