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12.70 ct Violet Amethyst Gemstone, Amethyst Gem in Half-Drilled Briolette Shape for Sale.
Photos are of Actual Product for Sale
12.70 ct Violet Amethyst Stone, Natural Amethyst in Half-Drilled Briolette Shape for Sale Amethyst Gemstone in 16.5 x 11 mm Size for Sale, Amethyst Stone in Medium Violet Color

12.70ct Natural Violet Amethyst, Briolette, 16.5x11 mm

9.7 out of 10
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Product ID: 457203
Type: Amethyst
Weight: 12.70 ct 1 gem
Size: mm calibrated
Size: 16.5 x 11 mm
Exact Size: 16.51 x 11.04 mm
Length x Width
Shape: Half-Drilled Briolette
Half-Drilled 0.65 mm (hole diameter)
Color: Medium Violet
Clarity: VS
Treatment: Untreated
Origin: Brazil
Content: 1 pc
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$
67.06
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Product Description

This is a 12.70 carat natural medium violet Amethyst gem, 1 pc in briolette shape with an exact size of 16.51 x 11.04 x 0.00 mm. This loose Amethyst gemstone was mined in Brazil and its clarity is VS (Eye Clean). No treatment has been applied on this natural Amethyst stone

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GemSelect Certified Store Reviews

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Overall Rating -> 10 star ratings

Great site for finding specific stones and sizes for individual pieces of jewelry

Posted By Designer in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very neat and to the point

Posted By Botha in March, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Everything was good, the purchase was what I expected and what they show is what you get.

Posted By Mr. in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.

Posted By YE in October, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

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

Posted By Emm in January, 2026
Source: Bizrate
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