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Home Gemstones Boulder Opal
10.92 ct Multicolor Boulder Opal Gemstone, Boulder Opal Gem in Marquise Cabochon Shape for Sale.
Photos are of Actual Product for Sale
10.92 ct Multicolor Boulder Opal Stone, Natural Boulder Opal in Marquise Cabochon Shape for Sale Boulder Opal Gemstone in 21.6 x 11.1 mm Size for Sale, Boulder Opal Stone in Multicolor Color

10.92ct Multicolor Boulder Opal, Marquise, 21.6x11.1 mm

9.7 out of 10
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Product ID: 243150
Type: Boulder Opal
Weight: 10.92 ct 1 gem
Size: mm calibrated
Size: 21.6 x 11.1 x 6.2 mm
Exact Size: 21.61 x 11.14 x 6.23 mm
Length x Width x Depth
Shape: Marquise Cabochon
Color: Multicolor
Clarity: Opaque
Treatment: Untreated
Origin: Australia
Content: 1 pc
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Product Description

This is a 10.92 carat natural multicolor Boulder Opal gem, 1 pc in marquise shape with an exact size of 21.61 x 11.14 x 6.23 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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Posted By Debsarabs in February, 2026
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Overall Rating -> 10 star ratings

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
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I love the product and the details about each of them.

Posted By Love It! in July, 2025
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Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
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I've purchased from here many times over the last decade+. I find the information easy to understand, helpful, and interesting. I have always been satisfied that I got exactly what I ordered. Pictures and descriptions are clear and unique to each stone.

Posted By Maggie in August, 2025
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I was able to find what I wanted very easily!

Posted By Lenny in January, 2026
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