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17.63 ct Multicolor Boulder Opal Gemstone, Boulder Opal Gem in Fancy Cabochon Shape for Sale.
Photos are of Actual Product for Sale
17.63 ct Multicolor Boulder Opal Stone, Natural Boulder Opal in Fancy Cabochon Shape for Sale Boulder Opal Gemstone in 23.8 x 14.9 mm Size for Sale, Boulder Opal Stone in Multicolor Color

17.63ct Multicolor Boulder Opal, Fancy Shape, 23.8x14.9 mm

9.6 out of 10
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Product ID: 679145
Type: Boulder Opal
Weight: 17.63 ct 1 gem
Size: mm calibrated
Size: 23.8 x 14.9 x 6 mm
Exact Size: 23.76 x 14.90 x 5.98 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 17.63 carat natural multicolor Boulder Opal gem, 1 pc in fancy shape with an exact size of 23.76 x 14.90 x 5.98 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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Great selection. Maybe too great i kept adding and deleting stuff because i found better looking ones

Posted By Edsor works in October, 2025
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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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Good. I ts very user friendly.

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Very good

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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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Great prices!!! High quality gemstones.

Posted By Ricky in October, 2025
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