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Home Gemstones Boulder Opal
30.94 ct Multicolor Boulder Opal Gemstone, Boulder Opal Gem in Fancy Cabochon Shape for Sale.
Photos are of Actual Product for Sale
30.94 ct Multicolor Boulder Opal Stone, Natural Boulder Opal in Fancy Cabochon Shape for Sale Boulder Opal Gemstone in 25.4 x 20.1 mm Size for Sale, Boulder Opal Stone in Multicolor Color

30.94ct Multicolor Boulder Opal, Fancy Shape, 25.4x20.1 mm

9.6 out of 10
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Product ID: 521754
Type: Boulder Opal
Weight: 30.94 ct 1 gem
Size: mm calibrated
Size: 25.4 x 20.1 x 6.4 mm
Exact Size: 25.40 x 20.05 x 6.44 mm
Length x Width x Depth
Shape: Fancy Cabochon
Color: Multicolor
Clarity: Opaque
Treatment: Untreated
Origin: Australia
Content: 1 pc
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Product Description

This is a 30.94 carat natural multicolor Boulder Opal gem, 1 pc in fancy shape with an exact size of 25.40 x 20.05 x 6.44 mm. This loose Boulder Opal gemstone was mined in Australia and its clarity is Opaque. No treatment has been applied on this natural Boulder Opal stone

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Overall Rating -> 10 star ratings

Easy and good price

Posted By Bry_guy in March, 2026
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Love how easy the site is to use. Really love that the pictures are of actual product.

Posted By LeAnn in January, 2026
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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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Although the stones are smaller than I thought, I really don't think in millimeters, they are perfect. I plan to put one into a ring and the other into a necklace. Ordering was easy, contact kept me aware of how shipping was going, and delivery was sooner than expected. The quality of stones I have ordered in the past and this recent order is outstanding and stones I will be proud to wear.

Posted By Ktreva52 in June, 2026
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Overall Rating -> 9 star ratings

All good

Posted By Oliver in September, 2025
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Very good.

Posted By Tommy in December, 2025
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