90,000+Happy Customers
20+Years
WorldwideShipping
Cart
Free Report Included
Worldwide Shipping
30 Day Returns
Help Center Shipping Payment and Checkout Returns Certificates Contact Us
Home Gemstones Gemstones By Shape Trillion Shaped Gemstones

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
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

9.74ctw Multicolor Pietersite, Trillion, Opaque

15.8 x 14.8 mm

$ 23.86

View Gem

2.94ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 23.42

View Gem

2.61ctw Blue Topaz, Trillion, VVS-VS

7 x 7 mm (calibrated)

$ 20.02

View Gem

1.37ct Yellow Beryl, Trillion, VS

8 x 8 mm (calibrated)

$ 32.75

View Gem

0.61ct Multicolor Black Opal, Trillion, Opaque

9 x 7 mm (calibrated)

$ 18.57

View Gem

1.83ct Orange Moonstone, Trillion, Translucent

8 x 8 mm (calibrated)

$ 3.64

View Gem

2.28ctw Multicolor Mystic Quartz, Trillion, VVS-VS

7 x 7 mm (calibrated)

$ 13.63

View Gem

0.55ct Yellow Color-Change Diaspore, Trillion, VS

5.8 x 5.6 mm

$ 29.03

View Gem

5.63ctw Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 39.25

View Gem

43.00ct Multicolor Jasper, Trillion, Opaque

41.7 x 23.7 mm

$ 47.11

View Gem

1.16ct Yellow Citrine, Trillion, VS

7 x 7 mm (calibrated)

$ 6.36

View Gem

2.70ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 14.79

View Gem

2.62ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 18.27

View Gem

6.02ctw Multicolor Pietersite, Trillion, Opaque

14 x 12 mm (calibrated)

$ 14.75

View Gem

2.14ct Violet Amethyst, Trillion, VVS-VS

9 x 9 mm (calibrated)

$ 16.42

View Gem

2.19ctw Blue Topaz, Trillion, VVS-VS

7 x 7 mm (calibrated)

$ 16.79

View Gem

3.25ctw Red Pyrope Garnet, Trillion, VVS-VS

6 x 6 mm (calibrated)

$ 28.49

View Gem

2.23ctw Multicolor Mystic Quartz, Trillion, VVS

7 x 7 mm (calibrated)

$ 15.55

View Gem

1.59ct Orange Sphalerite, Trillion, SI

7 x 7 mm (calibrated)

$ 95.02

View Gem

2.11ct Multicolor Black Opal, Trillion, Translucent

11 x 11 mm (calibrated)

$ 64.23

View Gem

2.19ct Orange Moonstone, Trillion, Translucent

8 x 8 mm (calibrated)

$ 4.37

View Gem

5.01ct Pink Morganite, Trillion, Transparent

12.8 x 11.9 mm

$ 54.89

View Gem

3.18ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 17.42

View Gem

0.88ct Yellow Citrine, Trillion, VS

6.8 x 6.7 mm

$ 6.13

View Gem

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

A pleasant experience and many choices to choose from

Posted By Krackenking in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 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 -> 10 star ratings

My current project is something BLUE . Opal earrings with matching tennis bracelet for her wedding. The opals and sixty two sapphires VVS & VS are AMAZINGLY BEAUTIFUL. The private jewelers were impressed by the clarity and inclusion free of the sapphires . I want to say thank you for the High quality sapphires that I purchased for my daughtera's wedding.

Posted By My real name Dean or Wandering about in May, 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

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