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6.16 ct Multicolor Boulder Opal Gemstone, Boulder Opal Gem in Fancy Cabochon Shape for Sale.
Photos are of Actual Product for Sale
6.16 ct Multicolor Boulder Opal Stone, Natural Boulder Opal in Fancy Cabochon Shape for Sale Boulder Opal Gemstone in 16.7 x 9.7 mm Size for Sale, Boulder Opal Stone in Multicolor Color

6.16ct Multicolor Boulder Opal, Fancy Shape, 16.7x9.7 mm

9.7 out of 10
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Product ID: 679147
Type: Boulder Opal
Weight: 6.16 ct 1 gem
Size: mm calibrated
Size: 16.7 x 9.7 x 5.6 mm
Exact Size: 16.72 x 9.73 x 5.55 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 6.16 carat natural multicolor Boulder Opal gem, 1 pc in fancy shape with an exact size of 16.72 x 9.73 x 5.55 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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Very large selection from affordable to high end I will be coming back to shop again!

Posted By GreenGator in August, 2025
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Overall Rating -> 10 star ratings

I needed a very specific color of tourmaline and Gem Select had it. I had to get the client to agree and then ordered the stone. It arrived better than pictured and we all were very happy.

Posted By Tim W in February, 2026
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I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.

Posted By DNaber in October, 2025
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Overall Rating -> 8 star ratings

I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.

Posted By Atsu in December, 2025
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Overall Rating -> 10 star ratings

Was a good experience.

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

Great prices!!! High quality gemstones.

Posted By Ricky in October, 2025
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