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Know About the Types of Diamond Shapes
When you’re choosing a diamond ring, one of the most important decisions you’ll make isn’t about the price tag or the carat weight, it’s about the shape. Before we dive in, it’s important to clear up a common source of confusion. The terms “cut” and “shape” are often used interchangeably, but they mean different things.
Shape refers to the geometric outline of the diamond, round, oval, square, heart, and so on.
Cut refers to how the diamond’s facets are arranged and how well the stone is crafted to interact with light. A diamond’s cut grade ranging from Poor to Excellent, determines how brilliantly it sparkles.
There are three primary cut types to know:
- Brilliant cuts — facets arranged to maximise fire and sparkle
- Step cuts — parallel facets that produce elegant, mirror-like reflections
- Mixed cuts — a combination of both, offering the best of brilliance and clarity
Types of Diamond Shapes
Round Shape Diamond
The round brilliant cut is the most popular diamond shape in the world, and for very good reason. For decades, it has been the preferred choice for engagement rings because of its balanced shape and brilliant sparkle. More than half of all engagement ring centre stones are round brilliant diamonds.
It’s perfectly symmetrical shape makes it incredibly versatile, it suits solitaire settings, halo designs, pavé bands, and virtually every ring style from contemporary to vintage inspired. If you’re drawn to timeless elegance and maximum brilliance, the round brilliant is your cut.
Princess Shape Diamond
The princess cut is known for its sharp, clean square silhouette, that feels modern while still offering exceptional sparkle thanks to its brilliant-cut facet pattern. The princess cut can appear bigger than many other shapes.
One thing to keep in mind: the princess cut’s pointed corners need protective prong settings, ideally V-shaped or corner prongs, to prevent chipping over time. Bezel settings work beautifully too.
Oval Shape Diamond
The oval cut is essentially a stretched version of the round brilliant. It carries the same exceptional sparkle but with an elongated silhouette that creates the optical illusion of longer, more slender fingers.
The oval has surged in popularity in recent years and is beloved for its ability to feel both unique and timeless. It pairs beautifully with both minimalist solitaires and elaborate halo settings.
Emerald Shape Diamond
The emerald cut is the diamond for someone who values quiet luxury over flashy brilliance. Rather than the fire and sparkle of a brilliant cut, the emerald cut’s long parallel step-cut facets produce broad, sweeping flashes of light and dark that feel deeply sophisticated.
Because of its large, open table and clean facets, the emerald cut showcases a diamond’s clarity like no other shape.
Pear Shape Diamond
The pear cut combines the rounded end of an oval with the tapered point of a marquise, creating a teardrop shape that is both feminine and unique. It delivers impressive sparkle, and its elongated form has a similar finger-lengthening effect to the oval.
By tradition, the pointed end of a pear-shaped diamond faces outward toward the fingertip, though many modern wearers style it the opposite way.
Marquise Shape Diamond
Marquise diamonds are often used in vintage-inspired rings and statement jewellery. They can be set in solitaire rings or surrounded by smaller diamonds in halo settings.
Its elongated shape with pointed ends at both sides is unlike any other cut and creates the illusion of a significantly larger stone. The marquise is a modified brilliant cut that also makes the wearer’s finger appear more slender.
Cushion Shape Diamond
The cushion cut comes as square or rectangular diamond with softly rounded corners that give it an undeniably romantic feel. It was the dominant diamond shape for centuries before the round brilliant took over, and its vintage charm has driven a strong revival in popularity.
Cushion cuts have a slightly deeper profile, which concentrates their sparkle into beautiful, chunky flashes of light. They work exceptionally well in halo settings, where the surrounding stones amplify the cushion’s natural warmth and brilliance.
Asscher Shape Diamond
The Asscher cut is a square step-cut diamond with deeply cropped corners, giving it an almost octagonal appearance. This cut is admired for its vintage charm and structured look. Its deep facets create a mesmerising geometric sparkle, almost like looking into a kaleidoscope.
These diamonds are often chosen by people who appreciate classic jewellery with strong geometric character.
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Radiant Shape Diamond
The radiant cut combines the clean rectangular or square outline of the emerald cut with a full brilliant-cut facet pattern, resulting in exceptional sparkle. With its trimmed corners, it is also more durable than sharply pointed shapes.
Radiant cut diamonds are ideal for people who want a rectangular diamond with noticeable brilliance. They are also good at hiding inclusions because of their faceting pattern.
Heart Shape Diamond
Few diamonds make a statement as boldly as the heart cut. This cut is often chosen for romantic jewellery pieces, anniversary rings, and meaningful gifts. Although it is less common in engagement rings, it remains a distinctive and expressive option.
Crafting a heart-shaped diamond requires exceptional skill, which is why heart diamonds are generally only found in larger carat weights where the shape is clearly visible.
How to Choose the Right Diamond Cut for You
Selecting the right diamond cut comes down to personal style, lifestyle, and how the ring will be worn day to day.
Think About the Look You Want
Some love a diamond that catches every eye in the room. If that sounds like you, round, princess, and radiant cuts are great choices. They are designed to sparkle as much as possible. Others prefer something more subtle and refined. If you like clean lines and quiet elegance, emerald and Asscher cuts are worth a close look. And if you want a shape that feels truly one of a kind, marquise, pear, and oval diamonds offer something a little different from the usual.
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Consider Your Hand and The Setting
Longer shapes like oval, marquise, and pear can make fingers look more slender and graceful. Round and cushion cuts look great on all hand shapes. The setting you choose also plays a big role. Some cuts look best in simple prong settings, while others shine in halo or bezel designs.
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Try Before You Decide
It’s always best to try on different cuts in person before making your choice. Photos can only show so much. Seeing a diamond on your own hand, in real light, gives you a much better feel for what suits you.
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Knowing the different diamond cuts helps you pick a ring that truly feels like you. At Aurima Jewellers, we are here to help you find that perfect diamond, one that matches your style, fits your life, and tells your story.
