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Natural Trillion Amethyst Gemstones

Browse natural trillion amethyst gemstones in precise triangle cuts, perfect for modern and custom jewelry designs.

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Trillion Amethyst Price

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2.91ct Light Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 26.89

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3.19ct Purplish Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 26.80

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5.84ctw Medium Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 49.06

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2.80ct Medium Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 23.52

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2.94ct Pinkish Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 24.70

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3.13ct Pinkish Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 30.05

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1.99ct Purplish Violet Amethyst, Trillion, VVS-VS

9 x 9 mm (calibrated)

$ 13.14

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2.89ct Medium Purplish Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 24.28

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2.33ct Medium Violet Amethyst, Trillion, VVS-VS

9 x 9 mm (calibrated)

$ 21.53

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3.01ct Medium Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 27.82

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1.65ct Pinkish Violet Amethyst, Trillion, VS

8 x 8 mm (calibrated)

$ 13.14

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2.93ct Pinkish Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 19.34

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3.07ct Medium Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 20.27

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2.63ct Eggplant Violet Amethyst, Trillion, VVS

10 x 10 mm (calibrated)

$ 22.09

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3.02ct Iris Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 28.99

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3.24ct Medium Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 27.22

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2.59ct Deep Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 21.76

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2.89ct Pinkish Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 19.08

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2.66ct Deep Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 24.01

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3.08ct Vivid Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 25.87

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3.03ct Medium Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 29.09

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2.93ct Medium Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 17.58

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2.51ct Pinkish Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 22.67

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2.79ct Deep Purplish Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 22.09

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Why Buy Trillion Amethyst from GemSelect?

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.

Trillion Cut Amethyst Gemstones for Jewelry

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 -> 9 star ratings

I love wide range of stones. Always have my preference.

Posted By Ray in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love how easy the site is to use. Really love that the pictures are of actual product.

Posted By LeAnn in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.

Posted By Tommyp in November, 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

Overall Rating -> 10 star ratings

Filters need to be improved but rest of website is great

Posted By Rock hound in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I like the site, it's easy to navigate. There are sometimes items I'm looking for that aren't there, but mostly I can find what I need.

Posted By Nate in March, 2025
Source: Bizrate
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