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 |
2.90ct Deep Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 27.84
2.94ct Bright Pinkish Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 23.28
3.12ct Deep Iris Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 28.82
1.65ct Medium Violet Amethyst, Trillion, VS
8 x 8 mm (calibrated)
$ 13.14
2.51ct Medium Pinkish Violet Amethyst, Trillion, VVS
10 x 10 mm (calibrated)
$ 24.10
3.02ct Vivid Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 25.37
1.68ct Deep Purplish Violet Amethyst, Trillion, VS
9 x 9 mm (calibrated)
$ 15.53
3.12ct Pinkish Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 26.21
3.02ct Purplish Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 28.99
2.97ct Medium Violet Amethyst, Trillion, VS-SI
10 x 10 mm (calibrated)
$ 19.61
2.78ct Pinkish Iris Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 23.35
2.93ct Purplish Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 24.61
3.00ct Medium Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 25.20
2.81ct Medium Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 25.97
2.93ct Light Pinkish Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 28.13
5.57ctw Medium Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 46.79
2.74ct Medium Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 23.02
3.07ct Purplish Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 25.79
2.97ct Pinkish Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 27.44
2.54ct Pinkish Violet Amethyst, Trillion, VVS-VS
10 x 10 mm (calibrated)
$ 22.93
2.25ct Deep Purplish Violet Amethyst, Trillion, VVS-VS
9 x 9 mm (calibrated)
$ 14.86
2.91ct Medium Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 26.89
2.57ct Medium Pinkish Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 24.67
2.81ct Medium Violet Amethyst, Trillion, VS
10 x 10 mm (calibrated)
$ 18.55
Why Buy Trillion Amethyst from GemSelect?
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- Supplying natural gemstones to jewelers and collectors in 120+ countries
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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 
Site is easy to navigate and the variety is great and how often new products are added is also great.
Overall Rating -> 10
The stones are very nice.
Overall Rating -> 10
I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.
Overall Rating -> 10
Was a good experience.
Overall Rating -> 10
I love the product and the details about each of them.
Overall Rating -> 10
hassle free experience.
