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

1.23ct Swiss Blue Topaz, Trillion, VS

6.9 x 6.7 mm

$ 11.36

View Details

5.66ct Deep Blue Tanzanite, Trillion, IF

11.5 x 11.2 mm

$ 5,094.00

View Details

2.30ct Medium Violet Amethyst, Trillion, VVS-VS

9 x 9 mm (calibrated)

$ 21.25

View Details

2.28ct Gold Citrine, Trillion, VVS-VS

9 x 9 mm (calibrated)

$ 12.04

View Details

4.90ct Light Pink Morganite, Trillion, Transparent

12.6 x 12.1 mm

$ 64.68

View Details

2.88ct Deep Purplish Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 24.19

View Details

2.92ct Medium Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 19.27

View Details

3.26ct Multicolor Pietersite, Trillion, Opaque

14.5 x 13.1 mm

$ 9.28

View Details

0.84ctw Dark Golden Citrine, Trillion, VVS-VS

5.3 x 5.2 mm

$ 8.40

View Details

18.13ct Multicolor Jasper, Trillion, Opaque

21.2 x 20.6 mm

$ 12.40

View Details

2.80ctw Sky Blue Topaz, Trillion, VS

7 x 7 mm (calibrated)

$ 25.87

View Details

20.82ct Multicolor Jasper, Trillion, Opaque

21.3 x 19.5 mm

$ 14.24

View Details

2.37ct Golden Citrine, Trillion, VVS-VS

9 x 9 mm (calibrated)

$ 21.90

View Details

2.31ctw Earthy Yellow Beryl, Trillion, VVS

8 x 8 mm (calibrated)

$ 55.44

View Details

2.25ct Golden Citrine, Trillion, VVS-VS

9 x 9 mm (calibrated)

$ 20.80

View Details

1.47ct Medium-Light Yellow Beryl, Trillion, VVS

8 x 8 mm (calibrated)

$ 38.81

View Details

2.30ct Pinkish Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 19.32

View Details

2.94ct Deep Purplish Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 27.17

View Details

3.02ct Medium Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 27.90

View Details

2.32ct Medium Violet Amethyst, Trillion, VVS-VS

9 x 9 mm (calibrated)

$ 15.31

View Details

5.36ctw Sky Blue Topaz, Trillion, VVS-VS

7 x 7 mm (calibrated)

$ 49.52

View Details

2.86ct Medium Purplish Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 24.02

View Details

3.06ct Medium Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 24.24

View Details

3.09ct Medium Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 27.90

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

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 -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.

Posted By JD in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.

Posted By Jewelry Quality Stones in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Very easy to navigate with a great selection.

Posted By Bar181 in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Very good and simple exchange

Posted By Waylon in March, 2026
Source: Bizrate
Enlarged Gemstone Image