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Home Gemstones Smoky Quartz
12.70 ct Brown Smoky Quartz Gemstone, Smoky Quartz Gem in Octagon / Scissor Cut Shape for Sale.
Photos are of Actual Product for Sale
12.70 ct Brown Smoky Quartz Stone, Natural Smoky Quartz in Octagon / Scissor Cut Shape for Sale Smoky Quartz Gemstone in 14 x 14 mm (calibrated) Size for Sale, Smoky Quartz Stone in Reddish Brown Color

12.70ct Brown Smoky Quartz, Emerald Cut, 14.1x14.1 mm

9.7 out of 10
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Product ID: 407983
Type: Smoky Quartz
Weight: 12.70 ct 1 gem
Size: 14 x 14 mm calibrated
Size: 14.1 x 14.1 x 8.9 mm
Exact Size: 14.07 x 14.07 x 8.87 mm
Length x Width x Depth
Shape: Octagon / Scissor Cut
Color: Reddish Brown
Clarity: VVS
Treatment: Untreated
Origin: Brazil
Content: 1 pc
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Product Description

This is a 12.70 carat natural reddish brown Smoky Quartz gem, 1 pc in octagon / emerald cut shape with an exact size of 14.07 x 14.07 x 8.87 mm. This loose Smoky Quartz gemstone was mined in Brazil and its clarity is VVS (Eye Clean). No treatment has been applied on this natural Smoky Quartz stone

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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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hassle free experience.

Posted By Jhidron in October, 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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Overall Rating -> 10 star ratings

Enjoy every moment

Posted By Ferns in October, 2025
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They have a wonderful selection of gems of all sorts, shapes, cuts, and quality. I am very particular about the quality of stones I buy, and found many with VVS clarity and excellent cut and polish. I am thrilled with each of the stones I purchased, and would definitely recommend GemSelect to everyone.

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selection was broad and the check out was quick. Great site

Posted By JC Karl in September, 2025
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