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Shop Loose Boulder Opal: Cabochons, Natural Boulder Opal for Jewelry

Boulder Opal Weight
Boulder Opal Size
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Boulder Opal Price

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ID: 321922
Weight: 28.03ct
Size: 27 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 259.00
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ID: 321845
Weight: 22.54ct
Size: 24.8 x 20 mm
Clarity: Opaque
Content: 1 pc
Price: $ 208.27
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ID: 629938
Weight: 6.10ct
Size: 19.2 x 11.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 51.24
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ID: 628029
Weight: 7.17ct
Size: 22.5 x 8.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 60.23
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ID: 679218
Weight: 13.64ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 81.84
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ID: 718514
Weight: 12.00ct
Size: 26 x 16.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 72.00
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ID: 629220
Weight: 6.90ct
Size: 19 x 8.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 57.96
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ID: 718639
Weight: 27.89ct
Size: 25.7 x 23.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 167.34
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ID: 678872
Weight: 11.42ct
Size: 21.7 x 18.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 68.52
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ID: 635340
Weight: 7.95ct
Size: 18.3 x 9.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 66.78
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ID: 635335
Weight: 14.55ct
Size: 26.3 x 11.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 122.22
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ID: 679242
Weight: 5.29ct
Size: 17.4 x 12.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.45
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ID: 718553
Weight: 22.81ct
Size: 29.2 x 16.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 136.86
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ID: 744112
Weight: 17.39ct
Size: 23.5 x 16.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 86.95
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ID: 627852
Weight: 8.68ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 52.08
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ID: 628408
Weight: 20.61ct
Size: 31.9 x 12.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 123.66
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ID: 575199
Weight: 11.61ct
Size: 18.8 x 12.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 41.80
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ID: 678675
Weight: 13.28ct
Size: 26.7 x 13.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 79.68
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ID: 679241
Weight: 9.45ct
Size: 23.9 x 9.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 56.70
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ID: 630179
Weight: 11.73ct
Size: 19 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 98.53
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ID: 635336
Weight: 16.10ct
Size: 22.3 x 12.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 135.24
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ID: 635334
Weight: 11.03ct
Size: 22.7 x 12.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 92.65
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ID: 678881
Weight: 22.35ct
Size: 25.9 x 22 mm
Clarity: Opaque
Content: 1 pc
Price: $ 134.10
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ID: 628048
Weight: 15.41ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 92.46
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ID: 522128
Weight: 14.29ct
Size: 21.6 x 14.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 94.32
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ID: 744114
Weight: 22.64ct
Size: 23.1 x 17.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 113.20
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ID: 321835
Weight: 8.60ct
Size: 18.9 x 12.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 79.46
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ID: 627961
Weight: 12.38ct
Size: 25 x 18 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 74.28
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ID: 679216
Weight: 25.69ct
Size: 25.7 x 15.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 154.14
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ID: 521760
Weight: 14.46ct
Size: 23.6 x 13 mm
Clarity: Opaque
Content: 1 pc
Price: $ 95.44
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ID: 679147
Weight: 6.16ct
Size: 16.7 x 9.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.96
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ID: 678668
Weight: 10.30ct
Size: 22.6 x 15.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 61.80
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ID: 628026
Weight: 8.42ct
Size: 18.8 x 13.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 70.73
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ID: 522953
Weight: 13.97ct
Size: 20.4 x 12.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 92.21
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ID: 678775
Weight: 9.41ct
Size: 13.7 x 10.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 56.46
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ID: 636152
Weight: 8.58ct
Size: 15 x 10.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 72.07
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ID: 523150
Weight: 13.03ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 86.00
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ID: 679243
Weight: 11.23ct
Size: 18.3 x 12.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 67.38
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ID: 420744
Weight: 12.87ct
Size: 21 x 10 mm
Clarity: Opaque
Content: 1 pc
Price: $ 101.93
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ID: 679239
Weight: 12.62ct
Size: 14 x 14 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 75.72
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ID: 718601
Weight: 7.00ct
Size: 18.5 x 12.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.00
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ID: 628407
Weight: 22.64ct
Size: 30.5 x 13.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 135.84
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ID: 636047
Weight: 12.97ct
Size: 19.6 x 15.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 108.95
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ID: 628385
Weight: 15.18ct
Size: 20.8 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 91.08
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ID: 575198
Weight: 19.83ct
Size: 22.8 x 21.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 78.53
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ID: 744116
Weight: 8.90ct
Size: 21.5 x 13.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 44.50
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ID: 718511
Weight: 23.45ct
Size: 21.7 x 17.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 140.70
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ID: 678773
Weight: 14.15ct
Size: 17.9 x 14.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 84.90
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ID: 522132
Weight: 18.28ct
Size: 36.2 x 14.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 120.65
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ID: 678672
Weight: 9.66ct
Size: 26.4 x 12.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 57.96
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ID: 321839
Weight: 26.23ct
Size: 23.2 x 17 mm
Clarity: Opaque
Content: 1 pc
Price: $ 242.36
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ID: 679219
Weight: 12.31ct
Size: 25.9 x 17.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 73.86
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ID: 744117
Weight: 10.20ct
Size: 20.9 x 13.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 51.00
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ID: 321921
Weight: 21.32ct
Size: 27.3 x 13.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 196.99
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ID: 718560
Weight: 16.75ct
Size: 26.6 x 15.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 100.50
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ID: 365249
Weight: 10.40ct
Size: 19.5 x 12.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 96.10
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ID: 635344
Weight: 15.09ct
Size: 18.5 x 14.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 126.76
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ID: 627963
Weight: 10.36ct
Size: 19.6 x 11.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 62.16
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ID: 718602
Weight: 10.68ct
Size: 20.1 x 16.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 64.08
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ID: 718516
Weight: 45.10ct
Size: 41.1 x 26.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 270.60
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FAQs

What is boulder opal, and where does it come from?

Boulder opal is a unique type of opal that forms naturally within ironstone rock, giving it a beautiful mix of colors and textures. The primary origin of boulder opal is Australia, where it is highly valued for its vibrant colors and durability.

Why choose loose boulder opal for jewelry?

Loose boulder opal offers flexibility for custom designs, making it perfect for creating unique boulder opal jewelry. Available in forms like raw boulder opal, polished boulder opal, and boulder opal cabochon, each piece highlights the natural beauty and rich colors that boulder opal gemstones are known for.

What colors are found in boulder opal gemstones?

Boulder opal colors are incredibly diverse, ranging from blues and greens to reds and purples. Each boulder opal crystal has its unique color pattern, influenced by the natural formation within the rock, making every gemstone one-of-a-kind.

Is Australian boulder opal different from other opals?

Yes, Australian boulder opal is distinct for its unique origin and vibrant color play. Unlike other types of opal, boulder opal forms within a matrix of ironstone, adding durability and a distinct look that is highly prized in the gemstone world.

What is the meaning and value of boulder opal?

Boulder opal meaning is often associated with grounding, creativity, and inspiration. Many believe it has healing properties that promote emotional stability. The value of boulder opal depends on factors like color intensity, pattern, and the quality of the opal within the ironstone matrix.

How should I care for my boulder opal jewelry?

Boulder opal jewelry is relatively durable but should still be handled with care. Avoid exposing your loose boulder opal or boulder opal cabochons to harsh chemicals or extreme temperatures to preserve their natural colors and shine.

GemSelect Certified Store Reviews

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Overall Rating -> 10 star ratings

Easy picking, fast checkout, secure shipping. Cana't ask for anything more than efficiency and a good price.

Posted By Beman in September, 2025
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Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.

Posted By Fried Rice in August, 2025
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I love the quality, package and info of your gems.

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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!

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Its been a long time since Ive made any purchases Im satisfied with the quality.

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Overall great

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