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16.81 ct Multicolor Boulder Opal Gemstone, Boulder Opal Gem in Fancy Cabochon Shape for Sale.
Photos are of Actual Product for Sale
16.81 ct Multicolor Boulder Opal Stone, Natural Boulder Opal in Fancy Cabochon Shape for Sale Boulder Opal Gemstone in 28.8 x 13.1 mm Size for Sale, Boulder Opal Stone in Multicolor Color

16.81ct Multicolor Boulder Opal, Fancy Shape, 28.8x13.1 mm

9.8 out of 10
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Boulder Opal Product ID: 628411
Type: Boulder Opal
Boulder Opal Weight: 16.81 ct Boulder Opal 1 gem
Boulder Opal Size: mm calibrated Boulder Opal
Boulder Opal Size: 28.8 x 13.1 x 5.6 mm Boulder Opal
Boulder Opal Exact Size: 28.78 x 13.11 x 5.57 mm
Length x Width x Depth
Boulder Opal Shape: Fancy Cabochon Boulder Opal
Boulder Opal Color: Multicolor Boulder Opal
Boulder Opal Clarity: Opaque Boulder Opal
Boulder Opal Treatment: Untreated
Boulder Opal Origin: Australia Boulder Opal
Content: 1 pc
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Product Description

This is a 16.81 carat natural multicolor Boulder Opal gem, 1 pc in fancy shape with an exact size of 28.78 x 13.11 x 5.57 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 -> 8 star ratings

Good prices

Posted By TRM in October, 2025
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I could see the actual gem I was buying

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Very large selection from affordable to high end I will be coming back to shop again!

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Posted By Mel in February, 2026
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Overall Rating -> 10 star ratings

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 2026
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Overall Rating -> 10 star ratings

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