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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Golden
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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 |
2.91ct Medium Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 24.44
3.08ct Pinkish Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 27.82
2.88ct Medium Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 19.01
2.10ct Deep Violet Amethyst, Trillion, VS
9 x 9 mm (calibrated)
$ 19.40
2.60ct Medium Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 24.96
2.18ct Pinkish Violet Amethyst, Trillion, VVS-VS
9 x 9 mm (calibrated)
$ 20.15
5.78ctw Medium Pink Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 48.55
2.86ct Medium Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 25.82
2.89ct Medium Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 22.88
2.89ct Pinkish Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 26.70
3.01ct Light Pinkish Violet Amethyst, Trillion, VVS
10 x 10 mm (calibrated)
$ 28.90
2.65ct Medium Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 23.93
5.42ctw Medium Pink Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 45.53
2.82ct Pinkish Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 27.07
2.89ct Pinkish Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 24.28
2.62ct Iris Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 22.01
3.20ct Medium Light Purplish-Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 26.88
2.12ct Deep Violet Amethyst, Trillion, VVS-VS
9 x 9 mm (calibrated)
$ 13.99
2.82ct Deep Iris Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 27.07
1.66ct Iris Violet Amethyst, Trillion, VS
8 x 8 mm (calibrated)
$ 13.21
2.91ct Light Violet Amethyst, Trillion, VVS
10 x 10 mm (calibrated)
$ 27.94
1.61ct Pinkish Violet Amethyst, Trillion, VS
8 x 8 mm (calibrated)
$ 12.82
2.87ct Medium Pinkish Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 27.55
2.98ct Medium Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 26.90
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 
The site provided lots of detail, factual data, and good photos. I also like the availability of searching by price range as well as by the type of stone.
Overall Rating -> 8 
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.
Overall Rating -> 9 
Nothing bad to report. Everything is as expected. The gems and the price are all very good.
Overall Rating -> 10
went well
Overall Rating -> 10
Was a good experience.
Overall Rating -> 9
I wish there were options for jewelry settings
