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Home Gemstones Boulder Opal
6.17 ct Multicolor Boulder Opal Gemstone, Boulder Opal Gem in Marquise Cabochon Shape for Sale.
Photos are of Actual Product for Sale
6.17 ct Multicolor Boulder Opal Stone, Natural Boulder Opal in Marquise Cabochon Shape for Sale Boulder Opal Gemstone in 19.9 x 9 mm Size for Sale, Boulder Opal Stone in Multicolor Color

6.17ct Natural Multicolor Boulder Opal, Marquise, 19.9x9 mm

9.7 out of 10
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Product ID: 243156
Type: Boulder Opal
Weight: 6.17 ct 1 gem
Size: mm calibrated
Size: 19.9 x 9 x 4.5 mm
Exact Size: 19.89 x 9.00 x 4.53 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 6.17 carat natural multicolor Boulder Opal gem, 1 pc in marquise shape with an exact size of 19.89 x 9.00 x 4.53 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

hassle free experience.

Posted By Jhidron in October, 2025
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Posted By Elansary in March, 2026
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Excellent options

Posted By CJ in February, 2026
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Overall Rating -> 9 star ratings

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

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Great selection. Maybe too great i kept adding and deleting stuff because i found better looking ones

Posted By Edsor works in October, 2025
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Overall Rating -> 9 star ratings

I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.

Posted By Jewelry Quality Stones in July, 2025
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