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12.62 ct Multicolor Boulder Opal Gemstone, Boulder Opal Gem in Cushion Cabochon Shape for Sale.
Photos are of Actual Product for Sale
12.62 ct Multicolor Boulder Opal Stone, Natural Boulder Opal in Cushion Cabochon Shape for Sale Boulder Opal Gemstone in 14 x 14 mm (calibrated) Size for Sale, Boulder Opal Stone in Multicolor Color

12.62ct Multicolor Boulder Opal, Cushion Cut, 14.5x14 mm

9.7 out of 10
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Product ID: 679239
Type: Boulder Opal
Weight: 12.62 ct 1 gem
Size: 14 x 14 mm calibrated
Size: 14.5 x 14 x 6.6 mm
Exact Size: 14.45 x 14.00 x 6.56 mm
Length x Width x Depth
Shape: Cushion Cabochon
Color: Multicolor
Clarity: Opaque
Treatment: Untreated
Origin: Australia
Content: 1 pc
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Product Description

This is a 12.62 carat natural multicolor Boulder Opal gem, 1 pc in cushion shape with an exact size of 14.45 x 14.00 x 6.56 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

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

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
Source: Bizrate

Overall Rating -> 10 star ratings

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

Posted By JC Karl in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect offers excellent choices, prices & service- highly recommended! Unfortunately, prior to ordering a replacement gemstone, my jeweler neglected to mention it needed to be one that was a'cushion cuta' to fit the existing mount. Have yet to return/exchangea'

Posted By CJ in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.

Posted By Jac in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

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

Posted By Emm in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I love the product and the details about each of them.

Posted By Love It! in July, 2025
Source: Bizrate
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