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

Boulder Opal Weight
Boulder Opal Size
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ID: 628391
Weight: 16.83ct
Size: 23.2 x 16 mm
Clarity: Opaque
Content: 1 pc
Price: $ 100.98
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ID: 718644
Weight: 15.73ct
Size: 36.4 x 16.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 94.38
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ID: 744118
Weight: 16.35ct
Size: 23.8 x 15.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 81.75
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ID: 627851
Weight: 14.54ct
Size: 20 x 13.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 87.24
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ID: 718646
Weight: 9.18ct
Size: 16.7 x 9.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 55.08
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ID: 365230
Weight: 17.55ct
Size: 19.4 x 13.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 162.17
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ID: 679217
Weight: 18.42ct
Size: 22.4 x 14.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 110.52
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ID: 636054
Weight: 6.36ct
Size: 21.5 x 8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 53.42
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ID: 523153
Weight: 11.18ct
Size: 23.3 x 16.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 73.79
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ID: 636049
Weight: 11.57ct
Size: 17.3 x 12.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 97.19
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ID: 321842
Weight: 22.67ct
Size: 21.8 x 16.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 209.47
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ID: 678772
Weight: 12.95ct
Size: 23.1 x 12.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 77.70
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ID: 679220
Weight: 9.73ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 58.38
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ID: 300454
Weight: 20.92ct
Size: 25.5 x 14.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 193.30
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ID: 679238
Weight: 11.24ct
Size: 16.7 x 13.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 67.44
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ID: 678677
Weight: 11.51ct
Size: 26.8 x 14.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 69.06
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ID: 679144
Weight: 21.69ct
Size: 23.8 x 14.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 130.14
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ID: 523719
Weight: 10.79ct
Size: 23.3 x 13.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 64.74
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ID: 627856
Weight: 9.35ct
Size: 17.6 x 14.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 56.10
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ID: 718507
Weight: 50.24ct
Size: 32.3 x 24.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 301.44
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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: 449597
Weight: 21.20ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 195.89
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ID: 678879
Weight: 42.66ct
Size: 23.8 x 21.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 255.96
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ID: 628388
Weight: 18.63ct
Size: 19.6 x 17.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 111.78
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ID: 630676
Weight: 7.30ct
Size: 15 x 9.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 61.32
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ID: 718606
Weight: 42.56ct
Size: 36.1 x 31 mm
Clarity: Opaque
Content: 1 pc
Price: $ 255.36
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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: 628032
Weight: 9.26ct
Size: 21.4 x 15.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 77.78
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ID: 365224
Weight: 13.21ct
Size: 14 x 14 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 122.06
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ID: 678767
Weight: 10.26ct
Size: 19.2 x 10.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 61.56
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ID: 678882
Weight: 7.13ct
Size: 13 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 102.78
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ID: 718612
Weight: 21.08ct
Size: 20.9 x 19.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 126.48
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ID: 628409
Weight: 10.45ct
Size: 26.9 x 9.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 62.70
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ID: 679143
Weight: 13.99ct
Size: 20.7 x 12.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 83.94
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ID: 678678
Weight: 8.27ct
Size: 27.2 x 8.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 49.62
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ID: 522176
Weight: 20.13ct
Size: 28.4 x 17.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 132.86
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ID: 718554
Weight: 16.59ct
Size: 29.3 x 14.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 99.54
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ID: 718506
Weight: 24.71ct
Size: 42.2 x 16.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 148.26
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ID: 636160
Weight: 6.20ct
Size: 22.9 x 7.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 52.08
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ID: 636158
Weight: 16.52ct
Size: 19 x 14.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 138.77
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ID: 636042
Weight: 7.10ct
Size: 21.2 x 10.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 59.64
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ID: 744115
Weight: 9.91ct
Size: 16.1 x 13.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 49.55
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ID: 321930
Weight: 36.09ct
Size: 29.8 x 18.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 333.47
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ID: 718562
Weight: 7.75ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 46.50
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ID: 718513
Weight: 17.99ct
Size: 9.7 x 17.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 107.94
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ID: 626577
Weight: 10.43ct
Size: 20.1 x 13.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 96.37
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ID: 628051
Weight: 12.72ct
Size: 24.2 x 9.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 76.32
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ID: 628049
Weight: 7.58ct
Size: 18 x 9.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 45.48
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ID: 629217
Weight: 8.32ct
Size: 18.8 x 10.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 69.89
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ID: 679224
Weight: 8.10ct
Size: 21.3 x 12.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 48.60
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ID: 321926
Weight: 21.46ct
Size: 28.9 x 18.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 198.29
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ID: 718641
Weight: 40.55ct
Size: 26 x 23.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 243.30
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ID: 635338
Weight: 13.60ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 114.24
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ID: 718605
Weight: 10.71ct
Size: 24.8 x 15.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 64.26
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ID: 678877
Weight: 9.98ct
Size: 21.9 x 14 mm
Clarity: Opaque
Content: 1 pc
Price: $ 59.88
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ID: 627967
Weight: 13.29ct
Size: 21.7 x 13.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 79.74
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ID: 744111
Weight: 3.11ct
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 15.55
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ID: 629944
Weight: 9.65ct
Size: 25.3 x 10.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 81.06
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ID: 718611
Weight: 21.73ct
Size: 25.7 x 20.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 130.38
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ID: 627971
Weight: 9.50ct
Size: 18.2 x 14 mm
Clarity: Opaque
Content: 1 pc
Price: $ 57.00
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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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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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