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Trillion cut diamond

Characteristics of the trillion diamond

The trillion (or trilliant) cut diamond is an unusual diamond shape. In essence, it has a triangular form with slightly curved soft or straight-edged sides.

Trillion cut diamond set in rose gold
Trillion shaped diamond set as a solitaire
Top 3 interesting facts about trillion cut:
  • Leon Finker developed this cutting in Amsterdam in 1978. To achieve this shape, he cut the square-shaped radiant cut into a triangular shape.
  • The width-to-length ratio of the trillion cut diamond is 1 :1 since it must be cut to create an equal triangular appearance.
  • The trillion cut diamond has from 44 to 50 facets. Because of this, a well-cut and proportionate diamonds in this shape have a very sharp sparkle and fire.
Emerald cut diamond with trillion side stones
Trillion cut diamonds used as accent side stones

The popular use of trillion cut diamond

Usually, people fancy classic diamond shapes, like a cushion, princess, round, heart, or radiant. But if you’ve picked a rare trillion cut diamonds, the wise decision is to put it as a solitaire in a three V-shape prong. This way, you can protect the corners properly.

Also, consider using the trillion-shaped diamond to accompany a center diamond. With the matching side-stones of this cut, the emerald cut, oval cut, cushion cut, or radiant-cut center diamond looks awesomely.

Trillion Cut Diamond

As well as matched side-stones, trillions are also very popular for stud earrings and pendants. However, extravagance is getting more popular in-ring styles. Whereby, more trillion solitaire rings are popping up.

Expert advice for trillion cut diamonds

A trillion cut is a triangular shape of three equal sides with 31 or 50 facets. With 31 facets, trillion diamonds become accent stones, Their cut is uncurved or concave. 50-facet trillion-cut jewels become sparkling solitaires. These diamonds have a curved or convex cut.

Any trillion cut should have the correct depth. Attention to this results in getting a unique diamond of great fire and sharp brilliance.

The trillion cut diamond turned to match the east-west ring setting style

The diamond depth is a very important factor for a solitaire. A well-cut trillion can even hide inclusions! That’s why a trillion needs to be symmetric, among all.

Trillion Cut Diamond 2
Depending on the ring setting for your trillion diamond ring, it is best to choose these parameters:
  • Cut: “Good” as a minimum,
  • Color grade: above H,
  • Clarity grade: above SI2,
  • Depth: between 32% and 48%.

You can check these parameters in a GIA certificate that goes along with our diamonds.

trillion cut set with a diamond halo
A trillion cut set with a diamond halo

Cons of a trillion cut center diamond you can avoid

A trillion cut diamond looks unique in a diamond ring. However, there are some factors you should know.

Here’s how to avoid 3 main disadvantages of a trillion cut:
  • Trillions are vulnerable to chipping, as the cut has pointed ends. So if you are looking for loose diamonds in the trillion shape, be extra careful.
  • How to avoid: set the diamond in a three-prong V-setting to protect the stone.
  • Trillion-cut diamonds are difficult to put into settings, especially due to the easy chip of the sharp edges.
  • How to avoid: choose an expert jeweler. The specialist knows how to set the diamond without harming the spark or edges.
  • Trillion stones are easier to get dull because the cut is more shallow and has less dept than other cuts. A little bit of dust can dim the spark.
  • How to avoid: clean the diamond more often to protect its sparkling.
Trillion diamond set in V-setting with a fashionable ring stacker.
Trillion diamond set in V-setting with a fashionable ring stacker.

Do trillion-cut diamonds look larger?

Yes, it’s true! Trillion cut diamonds usually look larger compared to the round cut diamond of the same carat.

So if your budget won't stretch to the carat size you're dreaming of, picking a shape that appears large saves. Trillion cut diamonds are cost-effective due to their appearance. The reason is that trillion cut diamonds are cut shallow and wide.

But remember: don't go for a too swallow trillion! It may have less brilliance as there is not enough depth to reflect the light to sparkle.

Multiple trillion-cut diamonds set in an eternity band
Multiple trillion-cut diamonds set in an eternity band

Where to get a trillion cut diamond

Would you prefer this unusual but sparkling trillion cut diamond as your engagement ring? Feel free to reach out to our experts to find out today's diamond prices for trillion cut diamonds.

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