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Home Gemstones Gemstones By Shape Trillion Amethyst

Natural Trillion Amethyst Gemstones

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

Trillion Amethyst Weight
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Trillion Amethyst Price

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2.83ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 22.55

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2.80ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 22.31

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2.92ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 20.36

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3.02ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 24.06

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2.91ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 19.13

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5.57ctw Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 38.84

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2.66ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 19.93

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2.78ctw Violet Amethyst, Trillion, VS

6.8 x 6.1 mm

$ 18.28

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3.16ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 20.77

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2.41ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 18.06

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3.02ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 22.64

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3.15ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 23.61

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2.90ct Violet Amethyst, Trillion, VVS

10 x 10 mm (calibrated)

$ 20.22

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2.87ct Violet Amethyst, Trillion, VVS

10 x 10 mm (calibrated)

$ 20.01

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2.71ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 20.31

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2.61ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 20.02

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3.12ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 23.92

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2.76ct Violet Amethyst, Trillion, VS-SI

10 x 10 mm (calibrated)

$ 20.68

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2.51ct Violet Amethyst, Trillion, VVS

10 x 10 mm (calibrated)

$ 20.00

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2.93ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 20.43

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5.83ctw Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 40.65

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2.81ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 15.40

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2.98ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 23.75

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2.61ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 18.19

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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

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Overall Rating -> 10 star ratings

Easy to use website

Posted By Mel in February, 2026
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Overall Rating -> 10 star ratings

The process was pleasant, I chose to purchase the stone traditional to the month of March as it is the month in which I was born.

Posted By Maharishi in June, 2026
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Overall Rating -> 10 star ratings

I liked the selection of gems, and price. I did not like your PayPal process. I already have a PP account and you want me to sign up for another.

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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
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Overall Rating -> 10 star ratings

My whole experience is great.

Posted By Ghs in November, 2025
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Overall Rating -> 10 star ratings

Navigating the site was very easy and the photos of the exact gem you would be purchasing was well done.

Posted By HVeeder in February, 2026
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