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18.28 ct Multicolor Boulder Opal Gemstone, Boulder Opal Gem in Marquise Cabochon Shape for Sale.
Photos are of Actual Product for Sale
18.28 ct Multicolor Boulder Opal Stone, Natural Boulder Opal in Marquise Cabochon Shape for Sale Boulder Opal Gemstone in 36.2 x 14.4 mm Size for Sale, Boulder Opal Stone in Multicolor Color

18.28ct Natural Multicolor Boulder Opal, Marquise, Opaque

9.2 out of 10
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Boulder Opal Product ID: 522132
Type: Boulder Opal
Boulder Opal Weight: 18.28 ct Boulder Opal 1 gem
Boulder Opal Size: mm calibrated Boulder Opal
Boulder Opal Size: 36.2 x 14.4 x 4.4 mm Boulder Opal
Boulder Opal Exact Size: 36.21 x 14.36 x 4.41 mm
Length x Width x Depth
Boulder Opal Shape: Marquise Cabochon Boulder Opal
Boulder Opal Color: Multicolor Boulder Opal
Boulder Opal Clarity: Opaque Boulder Opal
Boulder Opal Treatment: Untreated
Boulder Opal Origin: Australia Boulder Opal
Content: 1 pc
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Product Description

This is a 18.28 carat natural multicolor Boulder Opal gem, 1 pc in marquise shape with an exact size of 36.21 x 14.36 x 4.41 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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Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

Will know more once order received

Posted By Jim in September, 2025
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Great selection of gems at a reasonable price

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Overall Rating -> 9 star ratings

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 2025
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Overall Rating -> 8 star ratings

First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.

Posted By Salvo in July, 2025
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Overall Rating -> 10 star ratings

excellent deals-excellent service-fair prices

Posted By JD in April, 2025
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It's always a pleasure doing business with Gem Select. Outstanding products ant very reasonable prices. Thank You One and All.

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Overall Rating -> 10 star ratings

Very professional site

Posted By JR in January, 2025
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Overall Rating -> 10 star ratings

I am filling a small treasure chest and picked a nice amethyst.

Posted By VinnyD in August, 2025
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