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 nicely 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.”

While similar to a square emerald diamond, the Asscher has 72 facets, which are larger and wider-set—three rows on top and three on the bottom. The elegant step cut draws your eye into the centre of the stone, both captivating and mesmerising anyone who catches its gaze. While the width of these corners may vary, the Asscher creates an incredible optical illusion known as the “Hall of Mirrors”.

Because this shape is so similar to a natural diamond crystal, the Asscher also has minimal waste during the cutting process.

asscher cut diamond halo engagement ring

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The length to width ratio of Asscher cut diamonds is usually 1.00. Anything less than 1.04 may appear square to the naked eye.

You’ll frequently see Asscher diamonds set in vintage jewellery with details featuring geometric shapes or filigree work. Give a nod to the past by using an Asscher in an antique setting or juxtapose its old-world quality with a more contemporary design.

For the most stunning Asscher diamond, choose a higher clarity diamond (VS1 and above).

asscher cut diamond ratio

The chart below serves as a general guideline for evaluating the cut of an Asscher cut diamond.

asscher diamond cut guide

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