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, VS
10 x 10 mm (calibrated)
$ 26.89
2.70ct Medium Pink Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 22.68
2.77ct Iris Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 23.27
2.33ct Medium Violet Amethyst, Trillion, VVS-VS
9 x 9 mm (calibrated)
$ 15.38
2.95ct Medium Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 24.78
2.93ct Pinkish Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 24.61
2.62ct Medium Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 23.65
2.94ct Deep Purplish Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 27.17
2.80ct Medium Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 23.52
2.91ct Deep Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 24.44
2.91ct Purplish Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 24.44
2.99ct Medium Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 27.00
3.05ct Medium Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 25.62
3.06ct Vivid Violet Amethyst, Trillion, VVS-VS
10.4 x 7.4 mm
$ 25.70
6.10ct Medium Violet Amethyst, Trillion, Transparent
11 x 11 mm (calibrated)
$ 36.60
3.02ct Light Pinkish Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 28.99
2.69ct Medium Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 17.76
3.03ct Medium Pink Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 25.45
2.72ct Medium Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 26.11
2.92ct Medium Violet Pink Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 24.53
3.16ct Medium Pinkish Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 30.34
3.11ct Medium Violet Pink Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 26.12
3.37ct Medium Pink Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 28.31
2.62ct Pinkish Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 24.20
Why Buy Trillion Amethyst from GemSelect?
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- Supplying natural gemstones to jewelers and collectors in 120+ countries
- Verified natural gemstones
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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 
love the site, the experience and the products.
Overall Rating -> 10
Navigating the site was very easy and the photos of the exact gem you would be purchasing was well done.
Overall Rating -> 10
I am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring
Overall Rating -> 10
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.
Overall Rating -> 10
I would recommend gem select yo everyone Fast service and no problems
Overall Rating -> 10
Great site for finding specific stones and sizes for individual pieces of jewelry
