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10.79 ct Multicolor Boulder Opal Gemstone, Boulder Opal Gem in Fancy Cabochon Shape for Sale.
Photos are of Actual Product for Sale
10.79 ct Multicolor Boulder Opal Stone, Natural Boulder Opal in Fancy Cabochon Shape for Sale Boulder Opal Gemstone in 23.3 x 13.3 mm Size for Sale, Boulder Opal Stone in Multicolor Color

10.79ct Multicolor Boulder Opal, Fancy Shape, 23.3x13.3 mm

9.7 out of 10
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Product ID: 523719
Type: Boulder Opal
Weight: 10.79 ct 1 gem
Size: mm calibrated
Size: 23.3 x 13.3 x 4.1 mm
Exact Size: 23.30 x 13.25 x 4.06 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 10.79 carat natural multicolor Boulder Opal gem, 1 pc in fancy shape with an exact size of 23.30 x 13.25 x 4.06 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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Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.

Posted By Sal in July, 2025
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I've purchased things from GemSelect before. What you see is what you get, which is not always the case with gem sites online. You can find some good value with gem select, and I will buy from them again.

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All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.

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Overall Rating -> 9 star ratings

It was fine . Wish there had been more round stones to select from

Posted By Emm in January, 2026
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this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.

Posted By Tommyp in November, 2025
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