X
Gemstone Search

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

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

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color Trillion Shaped Gemstones
Black Trillion Shaped Gemstones
Blue Trillion Shaped Gemstones
Brown Trillion Shaped Gemstones
Golden Trillion Shaped Gemstones
Gray
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
Single
Pairs
Lots
Faceted
Cabochons
Clear All

1.46ct Medium Gold Citrine, Trillion, VVS-VS

8 x 8 mm (calibrated)

$ 10.90

View Details

2.13ct Greenish Yellow Quartz, Trillion, VVS

10 x 10 mm (calibrated)

$ 10.34

View Details

0.61ct Medium Light-Orange Citrine, Trillion, VS

6 x 6 mm (calibrated)

$ 6.10

View Details

0.26ct Light Orange-Gold Citrine, Trillion, VS

5.2 x 5 mm

$ 2.60

View Details

2.41ctw Sky Blue Topaz, Trillion, VVS-VS

7 x 7 mm (calibrated)

$ 18.56

View Details

0.75ct Tuscany Yellow Beryl, Trillion, VVS

7 x 7 mm (calibrated)

$ 18.00

View Details

12.29ctw Deep Green Aventurine, Trillion, Translucent

17.8 x 11.7 mm

$ 34.22

View Details

3.38ct Multicolor Opal Triplet, Trillion, Opaque

13.5 x 10.8 mm

$ 101.40

View Details

0.54ct Deep Orange-Gold Citrine, Trillion, VS

6 x 6 mm (calibrated)

$ 5.40

View Details

2.85ct Medium Pinkish Violet Amethyst, Trillion, VVS

10 x 10 mm (calibrated)

$ 27.36

View Details

2.83ct Deep Purplish Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 19.81

View Details

0.62ct Medium Golden Sapphire, Trillion, VVS-VS

5.5 x 5.4 mm

$ 30.31

View Details

2.34ct Medium Violet Amethyst, Trillion, VVS-VS

9 x 9 mm (calibrated)

$ 21.62

View Details

1.76ct Medium Orange Moonstone, Trillion, Translucent

8 x 8 mm (calibrated)

$ 4.22

View Details

2.21ct Golden Citrine, Trillion, VVS-VS

9 x 9 mm (calibrated)

$ 14.41

View Details

2.81ct Deep Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 18.55

View Details

2.34ct Deep Golden Orange Citrine, Trillion, VVS-VS

9 x 9 mm (calibrated)

$ 17.45

View Details

2.19ct Medium Violet Amethyst, Trillion, VVS-VS

9 x 9 mm (calibrated)

$ 20.23

View Details

11.17ctw Multicolor Jasper, Trillion, Opaque

17.4 x 13.4 mm

$ 7.64

View Details

5.30ctw Medium Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 50.88

View Details

5.45ctw Pinkish Iris Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 52.32

View Details

2.81ct Deep Iris Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 26.98

View Details

2.31ctw Swiss Blue Topaz, Trillion, VS

7 x 7 mm (calibrated)

$ 19.91

View Details

27.72ct Greyish White Howlite, Trillion, Opaque

25.6 x 23.6 mm

$ 13.86

View Details

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

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

The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.

Posted By Jen in December, 2025
Source: Bizrate

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

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 -> 10 star ratings

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to navigate

Posted By GemGod in July, 2025
Source: Bizrate
Enlarged Gemstone Image