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Home Gemstones Opal
0.99 ct Multicolor Opal Gemstone, Opal Gem in Octagon Step Cut Shape for Sale.
Photos are of Actual Product for Sale
0.99 ct Multicolor Opal Stone, Natural Opal in Octagon Step Cut Shape for Sale Opal Gemstone in 9.8 x 6 mm Size for Sale, Opal Stone in Multicolor Color

0.99ct Natural Multicolor Opal, Emerald Cut, 9.8x6 mm

9.7 out of 10
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Product ID: 691683
Type: Opal
Weight: 0.99 ct 1 gem
Size: mm calibrated
Size: 9.8 x 6 x 3.7 mm
Exact Size: 9.75 x 6.00 x 3.66 mm
Length x Width x Depth
Shape: Octagon Step Cut
Color: Multicolor
Clarity: Transparent
Treatment: Untreated
Origin: Australia
Content: 1 pc
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Product Description

This is a 0.99 carat natural multicolor Opal gem, 1 pc in octagon / emerald cut shape with an exact size of 9.75 x 6.00 x 3.66 mm. This loose Opal gemstone was mined in Australia and its clarity is Transparent. No treatment has been applied on this natural Opal stone

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GemSelect Certified Store Reviews

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Overall Rating -> 10 star ratings

Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.

Posted By JD in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good.

Posted By Tommy in December, 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
Source: Bizrate

Overall Rating -> 10 star ratings

this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.

Posted By Tommyp in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It's mostly good, only some item's are easier to find through the search than the menu

Posted By Wayne in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Navigating the site was very easy and the photos of the exact gem you would be purchasing was well done.

Posted By HVeeder in February, 2026
Source: Bizrate
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