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Diamond Shape Guide

The shape of the stone is fundamental to how it looks, and every shape has a different cut, sparkle and meaning behind it.
Ethica offers a wide range of diamond cuts and shapes, ensuring that every ring is as extraordinary as the love it represents. The diamond shape you choose should reflect your unique style and personality.

When shopping for diamond jewellery, the first decision that is usually made is the shape of the diamond. Diamond shapes are categorised into two groups: round diamonds and fancy shape diamonds. Typically there are 10 shapes to choose from; from the most popular round brilliant, which is the most traditional diamond shape, to what are known as ‘fancy shapes’ like heart or pear shapes.

There are various things to consider when choosing your diamond shape, as each one offers something unique and wonderful and there are different advantages to each.

We’ve prepared a handy list of the most popular diamond shapes below, to help you select the perfect diamond. If you need further help, then why not book an appointment at one of our showrooms or contact one of our experts and we’ll be happy to assist you.

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Round

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Oval

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Classic Emerald

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Pear

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Asscher

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Cushion

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Emerald Radiant

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Heart

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Princess

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Marquise

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Round

Timelessly Classic

The Round Brilliant cut diamond will always be the most popular and classic shape. It is beloved for its unmatched brilliance and beauty and it returns the most amount of light due to its ideal facet pattern. It resembles a simple circle, which makes it extremely versatile.

All Round Brilliant stones are consistently cut by hand to the coveted ‘Hearts and Arrows’ cut, the best you can get for sparkle and light play.

The Round Brilliant cut diamond is by far the most popular and most researched stone shape available today. For almost 100 years, diamond cutters have been using advanced theories of light behaviour and precise mathematical calculations to optimise the fire and brilliance of the Round Brilliant cut.

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Oval

Flattering and Elongating

Oval diamonds look larger than round diamonds and creates a gentle elongating effect for which elliptical gemstones are treasured. They make a woman’s finger seem longer and more slender. It’s popularity has soared in recent years and the oval is definitely one of our top selling shapes.

The deeply fascinating Oval cut diamond is actually a relatively recent invention; it was designed by a jeweller at Lazare Kaplan Inc. in 1957. They are cut in a similar pattern as a round brilliant diamond, with smooth angles which results in a brilliance that is nearly as bright and perfect as a round brilliant gemstone, but with a larger surface area.

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Classic Emerald

Timelessly Classic

“Hall of mirrors” creates exceptional clarity The ultimate vintage cut, an emerald diamond exudes old-world glamour. Unlike the multi-faceted brilliant cuts, this step-cut diamond isn’t known for sparkle, and should be enjoyed for its lustre and clarity instead.

The sophisticated Emerald cut is a rectangular shape with flat corners. It has a step cut facet design, which resembles a deep staircase and has the refractive effect of a series of mirrors. The Emerald cut is widely known for its classic beauty and appealing elegance, especially when used as a focal gemstone.

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Pear

The Teardrop Of Joy

The Pear cut diamond has often been a favourite of royalty and is also known as the teardrop diamond. The deep, mesmerising Pear cut is a combination of the rich fullness of the Round Brilliant and the sparkling intensity of the Marquise. Though traditionally used in pendants and drop earrings, this cut is also an eye-catching addition to rings. It’s a unique, beautiful cut that looks especially good in a halo setting and is known to have a slenderising effect on fingers due to its tapered end.

In 1475, a Flemish cutter by the name of Lodewyk van Bercken invented a diamond-polishing wheel called a scaif. The scaif transformed the diamond trade. His innovative polishing wheel enabled Van Bercken to place facets into the diamond with absolute symmetry, and opened the doors to the creation of complex diamond cuts. At the same year Lodewyk van Bercken invented the world’s first Pear Shaped Diamond.

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Asscher

Historically Royal

The Asscher cut dates back to the early 20th century when jeweller and diamond cutter, Joseph Asscher, developed the design in his Amsterdam atelier. This new design coincided with the birth of the Art Deco movement. Perhaps one of the most famous diamonds of all time, worn by Elizabeth Taylor, was a jaw-dropping 33.19 carat Asscher called the “Krupp Diamond.” The Asscher cut diamond can be seen as a 21st-century update to the Emerald cut. Also known as a step-cut, the Asscher cut features longer facets which give it a staircase appearance. It flashes long lines of sparkle, instead of the typical all-over sparkle.

This cut features a square shape with a flat table (top surface), many small step cuts along the top edges, and longer facets underneath for a Hall of Mirrors effect. Like the Cushion cut, the Asscher cut has an open culet (the bottom of the gemstone) and a facet plan that draws the eye into the gemstone and gives it depth. This is a highly unusual design, often favoured by those with a more vintage taste, but also with a modern sense of style.