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13.29 ct Multicolor Boulder Opal Gemstone, Boulder Opal Gem in Fancy Cabochon Shape for Sale.
Photos are of Actual Product for Sale
13.29 ct Multicolor Boulder Opal Stone, Natural Boulder Opal in Fancy Cabochon Shape for Sale Boulder Opal Gemstone in 21.7 x 13.6 mm Size for Sale, Boulder Opal Stone in Multicolor Color

13.29ct Multicolor Boulder Opal, Fancy Shape, 21.7x13.6 mm

9.6 out of 10
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Boulder Opal Product ID: 627967
Type: Boulder Opal
Boulder Opal Weight: 13.29 ct Boulder Opal 1 gem
Boulder Opal Size: mm calibrated Boulder Opal
Boulder Opal Size: 21.7 x 13.6 x 6 mm Boulder Opal
Boulder Opal Exact Size: 21.72 x 13.58 x 5.99 mm
Length x Width x Depth
Boulder Opal Shape: Fancy 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 13.29 carat natural multicolor Boulder Opal gem, 1 pc in fancy shape with an exact size of 21.72 x 13.58 x 5.99 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

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

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I have been very happy with my prior purchases and enjoy the website experience.

Posted By Trouble in November, 2025
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I like the site, it's easy to navigate. There are sometimes items I'm looking for that aren't there, but mostly I can find what I need.

Posted By Nate in March, 2025
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Overall Rating -> 10 star ratings

It's always a pleasure doing business with Gem Select. Outstanding products ant very reasonable prices. Thank You One and All.

Posted By G.W. or Bakyow in July, 2025
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Overall Rating -> 10 star ratings

The website has a good selection, the interface is very intuitive.

Posted By PhoenixFeatherJewelry in January, 2026
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Overall Rating -> 9 star ratings

I love the gems!

Posted By MM in April, 2025
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