Natural Trillion Amethyst Gemstones
Browse natural trillion amethyst gemstones in precise triangle cuts, perfect for modern and custom jewelry designs.
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Bi-color
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Black
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Blue
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Brown
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Gray
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Green
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Multicolor
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Orange
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Pink
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Purple
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Red
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Turquoise
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Violet Trillion Amethyst
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White
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Yellow
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Single |
Pairs |
Lots |
Faceted |
Cabochons |
2.83ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 21.79
2.93ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 24.61
5.57ctw Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 46.79
3.00ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 28.80
2.61ct Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 21.92
3.14ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 20.72
2.88ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 26.62
2.07ct Violet Amethyst, Trillion, VS
9 x 9 mm (calibrated)
$ 19.13
2.71ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 22.76
2.99ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 27.00
3.01ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 25.28
2.87ct Violet Amethyst, Trillion, VVS
10 x 10 mm (calibrated)
$ 24.11
2.90ct Violet Amethyst, Trillion, VVS
10 x 10 mm (calibrated)
$ 24.36
3.28ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 27.55
1.62ct Violet Amethyst, Trillion, VS
8 x 8 mm (calibrated)
$ 12.90
2.85ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 26.34
2.98ct Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 26.90
5.61ctw Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 47.12
2.98ct Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 19.67
5.68ctw Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 54.53
2.08ct Violet Amethyst, Trillion, VS
9 x 9 mm (calibrated)
$ 19.22
5.71ctw Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 54.82
5.72ctw Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 48.05
2.75ct Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 23.10
Why Buy Trillion Amethyst from GemSelect?
- Trusted Worldwide Since 2003
- Supplying natural gemstones to jewelers and collectors in 120+ countries
- Verified natural gemstones
- View All GemSelect Reviews on Bizrate
- Secure checkout and insured worldwide delivery
- 30-day returns and satisfaction guarantee
Precision-Cut Trillion Amethyst
Our trillion amethyst gemstones are expertly cut into sharp, symmetrical triangle shapes that maximize brilliance and color. These natural stones display rich purple hues and clean facet alignment for outstanding sparkle.
Buy Trillion Amethyst Online
At GemSelect, you can shop trillion cut amethyst gemstones with detailed photos, exact dimensions, and full specifications. Every stone is in stock and ready for secure worldwide shipping.
Triangle Amethyst for Modern Jewelry
The trillion shape is a popular choice for contemporary rings, pendants, and earrings. Its three-sided design creates a bold geometric look while maintaining excellent light performance.
Side Stones & Accent Settings
Trillion amethyst gemstones are often used as side stones in engagement rings or as matching pairs for earrings. Their angular shape complements round, oval, and emerald center stones beautifully.
Natural & Treated Amethyst
All trillion amethyst stones are natural. Any common treatments, such as heat treatment to enhance color, are fully disclosed for complete transparency.
Calibrated Trillion Sizes
We offer both calibrated and free-size trillion cut amethyst, making them suitable for standard jewelry mountings as well as custom-made settings.
February Birthstone
Amethyst is the February birthstone and is associated with clarity and balance. A trillion amethyst makes a unique and meaningful gift for February birthdays.
Learn more about gemstone properties, care, and history on our Amethyst Information Page.
FAQs
What is a trillion cut amethyst?
A trillion cut amethyst is a gemstone shaped into a triangular form with three equal sides. The cut enhances brilliance and offers a modern geometric appearance.
Are your trillion amethyst gemstones natural?
Yes, all our amethyst gemstones are natural. Any treatments, such as heat enhancement, are clearly disclosed in the product details.
Is trillion amethyst suitable for rings?
Yes, with a Mohs hardness of 7, amethyst is durable enough for rings when properly set. Protective prong or bezel settings are recommended for the pointed corners.
Do you offer matching trillion amethyst pairs?
Yes, matching pairs are available and are ideal for earrings or balanced jewelry designs.
What sizes are available in trillion amethyst?
We stock a wide range of sizes, including calibrated measurements suitable for standard mountings and larger stones for statement pieces.
GemSelect Certified Store Reviews
GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 10 
Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.
Overall Rating -> 10
Web site is very simple to navigate Selection is terrific
Overall Rating -> 10
The website was very easy to use.
Overall Rating -> 10
My experience was done with ease
Overall Rating -> 10
I was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.
Overall Rating -> 10
Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!
