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17.61 ct Multicolor Boulder Opal Gemstone, Boulder Opal Gem in Fancy Cabochon Shape for Sale.
Photos are of Actual Product for Sale
17.61 ct Multicolor Boulder Opal Stone, Natural Boulder Opal in Fancy Cabochon Shape for Sale Boulder Opal Gemstone in 22.8 x 17.7 mm Size for Sale, Boulder Opal Stone in Multicolor Color

17.61ct Multicolor Boulder Opal, Fancy Shape, 22.8x17.7 mm

9.6 out of 10
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Product ID: 628052
Type: Boulder Opal
Weight: 17.61 ct 1 gem
Size: mm calibrated
Size: 22.8 x 17.7 x 6 mm
Exact Size: 22.80 x 17.71 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 17.61 carat natural multicolor Boulder Opal gem, 1 pc in fancy shape with an exact size of 22.80 x 17.71 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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GemSelect Certified Store Reviews

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Overall Rating -> 10 star ratings

Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.

Posted By JD in July, 2025
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Great prices!!! High quality gemstones.

Posted By Ricky in October, 2025
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It was easy to navigate

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selection was broad and the check out was quick. Great site

Posted By JC Karl in September, 2025
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Overall Rating -> 10 star ratings

My experience has always been fantastic. Today I saved 6 gems to email a customer looking for a particular color blend to fit into an east west setting, so her options were limited, but we found one she wanted, deleted all the others in the cart and order the gem she selected. It was helpful to be able to put them in the cart so I could save them until she selected the one she wanted without having to research all of them again.

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

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
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