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

1.45ct Yellow Beryl, Trillion, VVS

8 x 8 mm (calibrated)

$ 34.66

View Gem

11.00ct Multicolor Pietersite, Trillion, Opaque

20.8 x 19.7 mm

$ 26.95

View Gem

3.02ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 23.16

View Gem

0.33ct Yellow Color-Change Diaspore, Trillion, VS

4.2 x 4.2 mm

$ 17.42

View Gem

1.16ct Yellow Citrine, Trillion, VVS-VS

7 x 7 mm (calibrated)

$ 8.90

View Gem

5.97ct Yellow Quartz, Trillion, Transparent

12 x 12 mm (calibrated)

$ 19.62

View Gem

2.85ct Violet Amethyst, Trillion, VVS-VS

10 x 10 mm (calibrated)

$ 19.87

View Gem

1.78ct Yellow Rutile Topaz, Trillion, Transparent

9 x 7 mm (calibrated)

$ 36.94

View Gem

1.12ct Multicolor Mystic Quartz, Trillion, VVS

7 x 7 mm (calibrated)

$ 7.81

View Gem

1.47ctw Multicolor Mystic Quartz, Trillion, VVS-VS

6 x 6 mm (calibrated)

$ 10.25

View Gem

8.89ctw Black Spinel, Trillion, Opaque

10 x 10 mm (calibrated)

$ 48.70

View Gem

1.00ctw Yellow Citrine, Trillion, VS-SI

6 x 6 mm (calibrated)

$ 8.30

View Gem

2.86ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 15.67

View Gem

2.79ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 18.33

View Gem

1.25ct Yellow Beryl, Trillion, VS

8 x 8 mm (calibrated)

$ 29.88

View Gem

5.61ctw Multicolor Pietersite, Trillion, Opaque

11.8 x 11.1 mm

$ 13.74

View Gem

3.65ctw Multicolor Mystic Quartz, Trillion, VVS-VS

8 x 8 mm (calibrated)

$ 21.81

View Gem

1.11ct Yellow Citrine, Trillion, VVS-VS

7.7 x 7.7 mm

$ 6.87

View Gem

19.53ctw Multicolor Jasper, Trillion, Opaque

20.9 x 16.2 mm

$ 11.47

View Gem

2.04ct Orange Moonstone, Trillion, Translucent

8 x 8 mm (calibrated)

$ 4.07

View Gem

3.25ctw Blue Topaz, Trillion, VVS-VS

7 x 7 mm (calibrated)

$ 23.25

View Gem

1.37ctw Yellow Citrine, Trillion, VS

6 x 6 mm (calibrated)

$ 10.91

View Gem

2.71ct Violet Amethyst, Trillion, VS

10 x 10 mm (calibrated)

$ 14.85

View Gem

0.56ct Blue Sapphire, Trillion, VS

5.3 x 5.1 mm

$ 44.62

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

I loved it! Extensive inventory, great prices, I definitely will be buying from here again!

Posted By Lex in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

The purchasing process is fairly quick and straightforward and for me user friendly so it probably took more or less than 3 minutes to purchase and pay for the items. I wish there was a discount offer for multiple items to encourage us buyers to purchase more an incentive and add more sales in your end. Besides that, it's been a great purchasing experience and will continue to shop as I am a repeat customer and have bought from your store many times before. Thank you.

Posted By Emmanuel 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

love the site, the experience and the products.

Posted By Ckingpots in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.

Posted By Bob D in December, 2025
Source: Bizrate
Enlarged Gemstone Image