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

3.11ct Medium Violet Pink Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 26.12

View Details

10.59ct Multicolor Pietersite, Trillion, Opaque

18 x 18 mm (calibrated)

$ 42.36

View Details

2.91ctw Sky Blue Topaz, Trillion, VVS-VS

7 x 7 mm (calibrated)

$ 25.08

View Details

1.45ctw Multicolor Mystic Quartz, Trillion, VVS-VS

6 x 6 mm (calibrated)

$ 10.44

View Details

1.28ct Tuscany Yellow Beryl, Trillion, VVS-VS

8 x 8 mm (calibrated)

$ 36.86

View Details

1.02ct Dark Golden Citrine, Trillion, VS

7 x 7 mm (calibrated)

$ 7.67

View Details

2.86ct Medium-Dark Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 26.42

View Details

6.36ct Multicolor Rainbow Pyrite, Trillion, Opaque

13 x 13 mm (calibrated)

$ 26.94

View Details

1.21ct Light Golden-Yellow Beryl, Trillion, VVS

8 x 8 mm (calibrated)

$ 29.04

View Details

1.54ct Light Gold Beryl, Trillion, VVS

9 x 9 mm (calibrated)

$ 40.66

View Details

3.05ct Pinkish Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 29.28

View Details

2.29ct Golden Citrine, Trillion, VVS-VS

9 x 9 mm (calibrated)

$ 21.16

View Details

15.86ctw Multicolor Agate, Trillion, Transparent

27.1 x 10.5 mm

$ 79.30

View Details

2.86ct Medium Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 25.82

View Details

2.84ct Medium Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 25.64

View Details

1.77ctw Bright Crimson Red Sapphire, Trillion, VVS-VS

4 x 4 mm (calibrated)

$ 125.93

View Details

2.91ct Pinkish Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 19.21

View Details

1.82ctw Medium Golden Citrine, Trillion, VS

7 x 7 mm (calibrated)

$ 12.01

View Details

1.15ct Multicolor Mystic Quartz, Trillion, VVS

7 x 7 mm (calibrated)

$ 9.66

View Details

3.07ct Light Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 24.31

View Details

1.98ct Golden Citrine, Trillion, VVS-VS

9 x 9 mm (calibrated)

$ 12.91

View Details

0.71ct Light Honey Yellow Beryl, Trillion, VVS

7 x 7 mm (calibrated)

$ 17.04

View Details

0.41ct Deep Orange Sphalerite, Trillion, SI-I1

4.7 x 4.6 mm

$ 24.60

View Details

3.21ct Pinkish Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 26.96

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 love the product and the details about each of them.

Posted By Love It! in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I feel Gemselect is a trustworthy company to buy from

Posted By Becky in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have a beautiful emerald I purchased from a company names gemselect and they are awesome! You should try them out?

Posted By Lynn in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Filters need to be improved but rest of website is great

Posted By Rock hound in December, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly

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