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13.13 ct Bi-color Tourmaline Gemstone, Tourmaline Gem in Octagon Step Cut Shape for Sale.
Photos are of Actual Product for Sale
13.13 ct Bi-color Tourmaline Stone, Natural Tourmaline in Octagon Step Cut Shape for Sale Tourmaline Gemstone in 12.3 x 11.5 mm Size for Sale, Tourmaline Stone in Bi-color Color

13.13ct Bi-color Tourmaline, Emerald Cut, 12.3x11.5 mm

9.8 out of 10
See Bizrate Ratings for GemSelect
Tourmaline Product ID: 402789
Type: Tourmaline
Tourmaline Weight: 13.13 ct Tourmaline 1 gem
Tourmaline Size: mm calibrated Tourmaline
Tourmaline Size: 12.3 x 11.5 x 9.9 mm Tourmaline
Tourmaline Exact Size: 12.33 x 11.48 x 9.94 mm
Length x Width x Depth
Tourmaline Shape: Octagon Step Cut Tourmaline
Tourmaline Color: Bi-color Tourmaline
Tourmaline Clarity: SI Tourmaline
Tourmaline Treatment: Untreated
Tourmaline Origin: Mozambique Tourmaline
Content: 1 pc
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Product Description

This is a 13.13 carat natural bi-color Tourmaline gem, 1 pc in octagon / emerald cut shape with an exact size of 12.33 x 11.48 x 9.94 mm. This loose Tourmaline gemstone was mined in Mozambique and its clarity is SI. No treatment has been applied on this natural Tourmaline stone

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GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 8 star ratings

I've purchased things from GemSelect before. What you see is what you get, which is not always the case with gem sites online. You can find some good value with gem select, and I will buy from them again.

Posted By Meyeusername in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Wonderful purchase, can't wait to see the stone.

Posted By Tim in January, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Will know more once order received

Posted By Jim in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great experience. I can't wait to explore on the website further.

Posted By Kymmie in September, 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

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
Source: Bizrate
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