Diamond shapes
The radiant-cut engagement ring
A radiant cut is the compromise that isn't really one. It carries the clean, rectangular shape of an emerald cut with trimmed corners, but underneath it has almost as many facets as a brilliant, which is why it sparkles noticeably more than its calmer cousin.
At émin we show you how this shape behaves in daylight, how it compares next to an emerald cut and a classic brilliant, and what to consider on carat and setting so the corners stay protected.
Why couples choose a radiant cut
Corners and sparkle in one stone
The radiant cut combines the clean, geometric shape of an emerald cut with a high facet count. The result is a stone that shows structure and still sparkles vividly, instead of settling for one or the other.
Protected corners
The trimmed corners aren't just a look, they also protect the stone from chipping better than a pointed shape would in everyday wear. Practical for a ring worn every day.
Flexible in shape
A radiant cut can be cut square or elongated rectangular. That means you can find a shape that fits your hand and taste exactly, without compromising on sparkle.
A radiant cut compared to other shapes
Lay several diamond shapes side by side and the radiant cut stands out immediately: the corners are trimmed like a princess or emerald cut, but the facet structure underneath is modelled on a brilliant. That exact combination makes it a popular choice for anyone who doesn't want purely geometric or purely brilliant.
A direct comparison with other shapes also shows where clarity and colour matter most. With a radiant cut, the many facets hide smaller inclusions well, so you can often save a grade on clarity without the stone showing it.
Radiant cut or brilliant: the differences at a glance
Both sparkle strongly. The difference lies in the shape and a few details on price and care.
| Feature | Radiant cut | Brilliant (round) |
|---|---|---|
| Sparkle | Strong sparkle, almost like a brilliant, only with corners | The strongest sparkle of all shapes |
| Size effect per carat | Looks elongated and generous thanks to its rectangular shape | Looks compact and round |
| Price level | Usually a little lower than a brilliant at the same carat weight | Reference price, usually traded highest |
| Visible inclusions | Partly, the many facets hide small inclusions well | No, the many facets hide small inclusions very well |
| Distinctive feature | Trimmed corners protect against chipping, no bow-tie risk | 57 facets, the classic round cut |
Radiant cut in our Zurich collection
Aurela shows a radiant cut in yellow gold with a hidden halo. On request we build any model in our collection with this cut.
What a radiant-cut engagement ring costs
Guide prices for a first orientation. We always discuss the exact figure in your personal consultation.
Price depends on the work involved. We calculate openly, no surprises.
Guide prices, as of 2026, incl. VAT. The exact price depends on stone, metal and work.
Frequently asked questions
Both have rectangular shapes with trimmed corners, but the facet structure is completely different. An emerald cut has few, large facets and looks calm, a radiant cut has far more facets in a brilliant-style arrangement and sparkles much more vividly. Visually, they are two very different stones.
Usually a little, yes, because less rough weight is lost during cutting compared to a round cut. The exact difference always depends on colour, clarity and the quality of the individual stone. We show you several stones side by side in your consultation and break down the prices openly.
Only rarely and usually faintly, because the facet structure resembles a brilliant and scatters light more evenly than shapes like oval or marquise. We still look at every stone with you individually in daylight before you decide.
A prong setting at the four corners protects the stone best while still letting in as much light as possible. A narrow halo of small diamonds also further emphasises the clean outline. We show you several options and renderings before any work begins.
Yes, that's exactly what the atelier appointment is for. You see the stone under a loupe, in daylight and right next to other shapes for comparison. For a video consultation we show you stones on camera and send close-up photos and the certificate as well.
Both work equally well, the difference lies only in price and origin. A lab-grown diamond often allows for a larger carat weight or higher clarity at the same budget, while a natural diamond appeals to some for its history. We explain both sides honestly, the decision is yours.
Quick enquiry
Ready for your radiant-cut ring?
Send us a short message about what you're looking for. We'll give you honest advice on shape, setting and price, and suggest an appointment, in Zurich or by video.