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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
Trillion Shaped Gemstones Price
Trillion Shaped Gemstones Treatment

Size Explained

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For Example: 6-7
For Example: 8-9
Bi-color Trillion Shaped Gemstones
Black Trillion Shaped Gemstones
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Golden Trillion Shaped Gemstones
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Green Trillion Shaped Gemstones
Multicolor Trillion Shaped Gemstones
Orange Trillion Shaped Gemstones
Pink Trillion Shaped Gemstones
Purple Trillion Shaped Gemstones
Red Trillion Shaped Gemstones
Turquoise
Violet Trillion Shaped Gemstones
White Trillion Shaped Gemstones
Yellow Trillion Shaped Gemstones
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Lots
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3.08ct Pinkish Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 29.57

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16.10ct Light Purplish Blue Chalcedony, Trillion, Opaque

22.2 x 21.2 mm

$ 48.30

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2.96ct Medium Pink Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 28.42

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0.80ct Warm Yellow Beryl, Trillion, VVS

7 x 7 mm (calibrated)

$ 19.20

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2.89ctw Swiss Blue Topaz, Trillion, VVS-VS

7 x 7 mm (calibrated)

$ 24.91

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3.01ct Pinkish Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 27.82

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6.06ctw Multicolor Blue Mystic Quartz, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 21.82

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10.46ct Light Pink Rose Quartz, Trillion, Transparent

17 x 17 mm (calibrated)

$ 43.91

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15.57ctw Pine Green Aventurine, Trillion, Translucent

17 x 11.7 mm

$ 41.10

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4.85ct Dark Green Uvarovite Garnet Drusy, Trillion, Opaque

15.5 x 11.3 mm

$ 19.01

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1.89ct Light Reddish Orange Moonstone, Trillion, Translucent

8 x 8 mm (calibrated)

$ 4.54

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1.45ct Medium Light-Orange Moonstone, Trillion, Translucent

8 x 8 mm (calibrated)

$ 3.48

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0.48ct Medium Pink Spinel, Trillion, VS-SI

6.1 x 5.1 mm

$ 120.00

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3.03ct Medium Pink Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 25.45

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2.21ct Medium Light-Orange Moonstone, Trillion, Translucent

8 x 8 mm (calibrated)

$ 5.30

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0.62ct Multicolor Sapphire, Trillion, VS

5 x 5 mm (calibrated)

$ 59.52

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1.58ct Top Gold Citrine, Trillion, VVS-VS

8 x 8 mm (calibrated)

$ 15.17

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6.30ct Medium Pink Morganite, Trillion, Translucent

13 x 13 mm (calibrated)

$ 83.16

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1.45ct Very Light Dijon Yellow Beryl, Trillion, VVS

8 x 8 mm (calibrated)

$ 41.76

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1.38ctw Light Pink Sapphire, Trillion, VVS-VS

4 x 4 mm (calibrated)

$ 143.46

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2.58ct Medium Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 20.44

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1.04ct Multicolor Sapphire, Trillion, VS-SI

6.3 x 6 mm

$ 99.84

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1.14ct Multicolor Mystic Quartz, Trillion, VVS

7 x 7 mm (calibrated)

$ 9.58

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0.68ct Medium Light Orange-Gold Citrine, Trillion, VS

6 x 6 mm (calibrated)

$ 6.80

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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

Easy and good price

Posted By Bry_guy in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

GemSelect offers excellent choices, prices & service- highly recommended! Unfortunately, prior to ordering a replacement gemstone, my jeweler neglected to mention it needed to be one that was a'cushion cuta' to fit the existing mount. Have yet to return/exchangea'

Posted By CJ in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

They have a wonderful selection of gems of all sorts, shapes, cuts, and quality. I am very particular about the quality of stones I buy, and found many with VVS clarity and excellent cut and polish. I am thrilled with each of the stones I purchased, and would definitely recommend GemSelect to everyone.

Posted By Debsarabs in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

My whole experience is great.

Posted By Ghs in November, 2025
Source: Bizrate
Enlarged Gemstone Image