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Trillion Cut Gemstones

Explore brilliant trillion cut gemstones, perfect for unique and modern jewelry designs.

Trillion Shaped Gemstones Weight
Trillion Shaped Gemstones Size
Trillion Shaped Gemstones Clarity
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For Example: 8-9
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Violet Trillion Shaped Gemstones
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2.62ct Pinkish Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 24.20

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2.85ct Medium Violet Amethyst, Trillion, VS

10.5 x 10 mm

$ 23.94

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2.20ctw Multicolor Mystic Quartz, Trillion, VVS

7 x 7 mm (calibrated)

$ 18.48

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0.64ct Multicolor Mystic Quartz, Trillion, VVS

6 x 6 mm (calibrated)

$ 5.38

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2.95ct Medium Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 24.78

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3.01ct Light Pinkish Violet Amethyst, Trillion, VVS

10 x 10 mm (calibrated)

$ 28.90

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27.57ct Multicolor Pietersite, Trillion, Opaque

30.3 x 27.6 mm

$ 110.28

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1.17ct Medium Gold Citrine, Trillion, VVS-VS

7 x 7 mm (calibrated)

$ 10.81

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2.03ct Deep Golden Orange Citrine, Trillion, VVS-VS

9 x 9 mm (calibrated)

$ 15.14

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4.18ct Light Coral Pink Morganite, Trillion, Transparent

11 x 11 mm (calibrated)

$ 55.18

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2.89ct Pinkish Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 26.70

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5.49ct Deep Violet Blue Tanzanite, Trillion, IF

11.8 x 11.5 mm

$ 4,941.00

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3.14ct Light Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 30.14

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1.21ct Bright Gold Citrine, Trillion, VS

7 x 7 mm (calibrated)

$ 7.99

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6.87ct Multicolor Pietersite, Trillion, Opaque

15 x 14 mm

$ 20.28

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1.20ct Light Yellow Beryl, Trillion, VVS

8 x 8 mm (calibrated)

$ 28.80

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20.11ct Bi-color Ametrine, Trillion, VVS

18.5 x 16.8 mm

$ 177.31

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0.74ct Deep Orange-Gold Citrine, Trillion, VS-SI

6 x 6 mm (calibrated)

$ 7.40

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1.11ct Bright Gold Citrine, Trillion, VS

7 x 7 mm (calibrated)

$ 7.33

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0.59ct Medium Light Orange-Gold Citrine, Trillion, VVS-VS

6 x 6 mm (calibrated)

$ 5.90

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1.02ct Golden Orange Citrine, Trillion, VVS-VS

7 x 7 mm (calibrated)

$ 9.42

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5.55ctw Medium Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 53.28

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3.14ct Medium Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 24.86

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28.03ctw Multicolor Jasper, Trillion, Opaque

29.4 x 15.6 mm

$ 47.36

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Why Buy Trillion Shaped Gemstones from GemSelect?

Trillion Cut Gemstones for Modern Jewelry

Trillion cut gemstones feature a striking triangular shape with sharp brilliance, making them a popular choice for contemporary jewelry designs and eye-catching center or accent stones.

Shop Loose Trillion Gemstones Online

Browse our selection of loose trillion cut gemstones in a wide variety of colors, sizes, and gem types, all available for secure online purchase with worldwide delivery.

Loose Trillion Cut Gemstones for Jewelry Designs

Triangle Gemstones for Unique Designs

Triangle gemstones, also known as trillion cuts, offer a bold geometric appearance that enhances modern rings, earrings, and pendants with a distinctive and stylish look.

Faceted Trillion Cut Stones

Faceted trillion gemstones are expertly cut to maximize brilliance and light reflection, making them ideal for jewelry that demands sparkle and precision.

Wide Range of Gem Types

Choose from trillion cut sapphires, garnets, amethyst, topaz, and more, each offering unique colors and characteristics to suit different styles and preferences.

Calibrated Trillion Gemstones

Calibrated trillion gemstones are available in standard sizes, making them perfect for pre-designed settings and consistent jewelry production.

Wholesale Trillion Cut Gems

We offer competitive pricing on loose trillion gemstones, ideal for jewelers, designers, and collectors looking to purchase high-quality stones in larger quantities.

Natural and Certified Gemstones

All trillion cut gemstones are natural and carefully selected, with any treatments fully disclosed to ensure transparency and confidence in your purchase.

Learn more about gemstone cuts and shapes on our Gemstone Cutting Information Guide.

FAQs

What is a trillion cut gemstone?

A trillion cut gemstone is a triangular-shaped stone with three equal or slightly curved sides, designed to maximize brilliance and modern appeal.

Are trillion cut gemstones suitable for rings?

Yes, trillion cut gemstones are commonly used in rings, either as center stones or side accents, offering a bold and contemporary look.

Which gemstones are available in trillion cuts?

Many gemstones are available in trillion cuts, including sapphire, garnet, amethyst, citrine, topaz, and more.

Are trillion cut gemstones durable?

Durability depends on the gem type, but care should be taken with the pointed corners, especially when used in rings.

Can I buy trillion cut gemstones in calibrated sizes?

Yes, many trillion gemstones are available in calibrated sizes, making them suitable for standard jewelry settings.

Are all trillion gemstones natural?

Yes, all gemstones are natural, and any treatments are fully disclosed for complete transparency.

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

Great experience. I can't wait to explore on the website further.

Posted By Kymmie in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

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

Posted By Desertchick in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoy viewing the selections. Excellent product

Posted By ToRa.62 in April, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

I've purchased things from GemSelect before. What you see is what you get, which is not always the case with gem sites online. You can find some good value with gem select, and I will buy from them again.

Posted By Meyeusername in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, using for custom jewlery for my wife.

Posted By Smitty in June, 2025
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
Enlarged Gemstone Image