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Australian Opal: Natural Black and White Opal Stones, Calibrated Loose Australian Opals, Wholesale Opal

Australian Opal: Natural Black and White Opal Stones, Calibrated Loose Australian Opals, Wholesale Opal

View our collection of Australian opals, showcasing the finest natural opals sourced directly from Australia's renowned mines. Whether you're looking for Coober Pedy opals, exquisite Lightning Ridge opals, or rare Australian Black opals, we offer a variety of solid Australian opal gemstones and opal cabochons perfect for custom jewelry or collections. Explore our range of loose opal stones today!

Australian Opal Weight
Australian Opal Size
Australian Opal Clarity
Australian Opal Price

Size Explained

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For Example: 6-7
For Example: 8-9
Bi-color
Black
Blue
Brown
Golden
Gray
Green
Multicolor Australian Opal
Orange
Pink
Purple
Red
Turquoise
Violet
White Australian Opal
Yellow
Single
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ID: 410119
Weight: 34.16ct
Size: 23.4 x 19.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 316.10
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ID: 636150
Weight: 14.98ct
Size: 20.2 x 13.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 104.86
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ID: 667934
Weight: 37.98ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 113.94
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ID: 575232
Weight: 35.80ct
Size: 36.6 x 19.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 141.77
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ID: 628050
Weight: 17.73ct
Size: 23.7 x 15.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 106.38
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ID: 517047
Weight: 1.25ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 30.25
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ID: 523722
Weight: 33.71ct
Size: 32.6 x 22.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 222.49
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ID: 522410
Weight: 20.80ct
Size: 32.3 x 16.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 137.28
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ID: 679248
Weight: 20.10ct
Size: 21.1 x 16.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 120.60
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ID: 521759
Weight: 26.43ct
Size: 28.5 x 17.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 174.44
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ID: 635341
Weight: 25.30ct
Size: 29.7 x 13.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 212.52
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ID: 548151
Weight: 0.89ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 244.75
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ID: 521765
Weight: 25.75ct
Size: 21 x 18.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 169.96
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ID: 521754
Weight: 30.94ct
Size: 25.4 x 20.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 204.20
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ID: 667939
Weight: 36.33ct
Size: 32.2 x 22.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 130.79
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ID: 626298
Weight: 21.39ct
Size: 16 x 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 197.64
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ID: 628406
Weight: 24.07ct
Size: 22.2 x 18.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 144.42
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ID: 678676
Weight: 23.38ct
Size: 25.3 x 16.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 140.28
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ID: 679148
Weight: 21.59ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 129.54
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ID: 634610
Weight: 22.12ct
Size: 27.5 x 12.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 185.81
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ID: 300453
Weight: 28.58ct
Size: 23.1 x 18.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 240.07
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ID: 322037
Weight: 42.73ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 394.82
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ID: 678766
Weight: 21.16ct
Size: 25.6 x 16.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 126.96
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ID: 669116
Weight: 4.44ct
Size: 13 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 111.00
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ID: 627837
Weight: 28.09ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 259.55
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ID: 667931
Weight: 50.36ct
Size: 36.9 x 27 mm
Clarity: Opaque
Content: 1 pc
Price: $ 151.08
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ID: 628027
Weight: 15.88ct
Size: 23.1 x 12.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 133.39
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ID: 634607
Weight: 12.07ct
Size: 27.4 x 9.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 101.39
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ID: 575226
Weight: 35.99ct
Size: 45 x 23.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 129.56
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ID: 548520
Weight: 1.72ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 430.00
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ID: 523672
Weight: 30.50ct
Size: 30 x 22 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 201.30
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ID: 523676
Weight: 19.94ct
Size: 36.4 x 16.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 131.60
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ID: 522982
Weight: 17.03ct
Size: 26.9 x 13.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 112.40
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ID: 628411
Weight: 16.81ct
Size: 28.8 x 13.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 100.86
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ID: 667936
Weight: 48.08ct
Size: 40.1 x 27.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 173.09
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ID: 523720
Weight: 17.29ct
Size: 27 x 17.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 114.12
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ID: 515850
Weight: 3.78ct
Size: 13.6 x 10 mm
Clarity: Translucent
Content: 1 pc
Price: $ 99.79
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ID: 522986
Weight: 20.55ct
Size: 31.9 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 135.64
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ID: 522985
Weight: 41.37ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 273.05
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ID: 679214
Weight: 19.33ct
Size: 26 x 15.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 115.98
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ID: 627639
Weight: 21.82ct
Size: 20.7 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 201.61
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ID: 542162
Weight: 1.85ct
Size: 14.7 x 7.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 48.84
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ID: 691689
Weight: 1.46ct
Size: 11.9 x 6.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 78.84
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ID: 691110
Weight: 1.09ct
Size: 13.8 x 5.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 58.86
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ID: 691688
Weight: 1.27ct
Size: 10.7 x 5.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 68.58
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ID: 691686
Weight: 0.71ct
Size: 11.2 x 5.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 31.95
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ID: 697574
Weight: 1.27ct
Size: 9.4 x 7.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 32.07
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ID: 697096
Weight: 1.87ct
Size: 13 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 47.22
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ID: 704585
Weight: 1.17ct
Size: 9.9 x 7.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 35.10
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ID: 628045
Weight: 9.86ct
Size: 20.4 x 11.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 59.16
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ID: 718038
Weight: 20.09ct
Size: 24.1 x 19.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 72.32
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ID: 668343
Weight: 33.02ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 118.87
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ID: 697124
Weight: 1.90ct
Size: 12 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 47.98
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ID: 523673
Weight: 27.17ct
Size: 33.3 x 11.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 179.33
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ID: 708813
Weight: 4.44ct
Size: 15.7 x 10.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 134.48
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ID: 704885
Weight: 1.68ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 42.00
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ID: 708627
Weight: 5.13ct
Size: 16.5 x 11.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 129.48
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ID: 678670
Weight: 12.53ct
Size: 17.8 x 13.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 75.18
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ID: 708424
Weight: 3.48ct
Size: 13.3 x 10.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 105.41
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ID: 718563
Weight: 58.43ct
Size: 35.6 x 29.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 350.58
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GemSelect Certified Store Reviews

GemSelect: Over 18 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

I have bought from you before and have found your gems exceed my expectations. I have been very satisfied with all gems sent to me. I will be back. Thanks....

Posted By Dork in September, 2024
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

The selection is fantastic, both breadth of stones and selection within type. Check out was very easy.

Posted By LoriV in June, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

Posted By Tim G. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I loved the range of selections offered.

Posted By Riirii in May, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

very good

Posted By Son Gift in January, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Gemselect is the only seller I trust to buy star gemstones. I bought a star sapphire from them before and was pleased with the purchase. I was disappointed in a star gemstone bought from another site. So, I recommend gemselect.

Posted By Thomas M. in June, 2024
Source: Bizrate

Why Choose Australian Opals?

Australian opals are prized for their unmatched brilliance and vibrant colors. Originating from renowned mines such as Coober Pedy and Lightning Ridge, these natural opals are ideal for custom jewelry or gemstone collectors. With options ranging from Australian Black opals to shimmering Australian White opals, each stone offers unique patterns and a touch of Australia's natural beauty.

Popular Varieties of Australian Opals

Explore our collection of Australian opals loose, featuring high-quality stones like solid Australian opals, opal cabochons, and loose opal stones. Whether you’re seeking rare Australian Black opals or the radiant colors of Coober Pedy opals, our selection is designed to meet every preference.

Where Do Australian Loose Opals Come From?

Australia is home to some of the world's most famous opal mines, including Lightning Ridge, known for its dark and brilliant hues, and Coober Pedy, famous for its light and colorful stones. These mines produce a variety of natural opals, ensuring the authenticity and quality of every gemstone.

Caring for Your Loose Australian Opals

To preserve the beauty of your Australian loose opals, handle them with care and avoid exposing them to harsh chemicals. These natural opals are sensitive to extreme temperature changes but, with proper care, will retain their stunning colors and unique patterns for a lifetime.

Read All

Over 19 Years in the Gemstone Business!

Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

I have bought from you before and have found your gems exceed my expectations. I have been very satisfied with all gems sent to me. I will be back. Thanks....

Posted By Dork in September, 2024
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

The selection is fantastic, both breadth of stones and selection within type. Check out was very easy.

Posted By LoriV in June, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

Posted By Tim G. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I loved the range of selections offered.

Posted By Riirii in May, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

very good

Posted By Son Gift in January, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Gemselect is the only seller I trust to buy star gemstones. I bought a star sapphire from them before and was pleased with the purchase. I was disappointed in a star gemstone bought from another site. So, I recommend gemselect.

Posted By Thomas M. in June, 2024
Source: Bizrate

FAQ's

What makes Australian opals unique?

Australian opals are renowned for their vibrant colors and natural patterns, making them some of the most sought-after gemstones worldwide. Sourced from famous Australian opal mines like Coober Pedy and Lightning Ridge, these natural opals come in a variety of types, including Australian Black opal, Australian White opal, and solid Australian opal gemstones.

What are loose Australian opals used for?

Loose Australian opals are perfect for custom jewelry designs or as collectible gemstones. Whether you're looking for loose opal stones, opal cabochons, or Australian opal loose varieties, these gems add a touch of elegance to any creation.

Where do the best Australian loose opals come from?

Australia's opal mines, such as Coober Pedy and Lightning Ridge, are world-famous for producing high-quality opals. These mines yield stunning loose opals, including Australian Black opals and solid Australian opals, treasured for their exceptional beauty.

How can I care for my loose Australian opals?

To maintain the luster of your loose Australian opal, avoid exposure to harsh chemicals and extreme temperatures. These natural opals are delicate and should be handled with care to preserve their brilliance and unique patterns.

What is the difference between solid Australian opals and opal cabochons?

Solid Australian opals are single pieces of opal with natural patterns, while opal cabochons are opals cut and polished into rounded shapes for use in jewelry. Both are popular choices for creating unique and elegant designs.

Are Australian loose opals a good investment?

Yes, Australian loose opals, especially those from renowned mines like Lightning Ridge and Coober Pedy, are considered valuable. Natural opals such as Australian Black opals and Australian White opals hold their worth due to their rarity and beauty.

Can I find loose Australian opals in different sizes and shapes?

Absolutely! Loose Australian opals come in various sizes, shapes, and forms, including loose opal stones and opal cabochons, making them versatile for different design needs. Whether you prefer large statement pieces or smaller, intricate designs, there's an option for every taste.

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