Asscher Cut Diamond Guide

An Asscher Cut diamond is an octagonal diamond with a square shape and layered facets. The Asscher Cut features a deep pavilion and high crown—offering brilliance and its signature appeal. There are two types of Asscher Cuts.

Unique Features of Asscher Diamonds

The straight-edged facets of the Asscher diamond (like this gorgeous 1ct from James Allen) give it a unique, clean look.

Asscher diamonds usually have 58 facets, the same as a round brilliant. The arrangement of these facets however gives its uniquely vintage appearance,

The shape is the other defining characteristic of Asscher diamonds. The shape is equal in length and width, as a square would, yet with angled corners that give it an octagon shape.


After being produced in 1902 by the Asscher Brothers of Holland, the Asscher shape regained popularity in 2002 after its one-hundredth anniversary.

The original Asscher cut design has 58 facets and was never patented. It is this design – the square emerald cut – that is referred to universally as the “Asscher Cut.”

Diamonds such as Asschers and Emeralds are among the oldest of diamond cuts. Compared to brilliant cuts


Many people are enamored by the Asscher Cut’s clean, elegant look. The long, rectangular facets allow for a lot of light to enter the diamond and to give off large flashes.

Most people go with an Asscher Cut diamond for its vintage appeal. This style of diamond was most popular during the Art Deco era of the 1920s, and today’s Asschers have an allure that harks back to that time.

If you’re in the market for a Step Cut diamond, the Asscher is a perfect choice. Alternative options in the Step Cut category are Emerald and Baguette diamonds.


Remember – a more shallow diamond means a diamond that will look larger.  For Table Percentage, I recommend staying under 68%.

Our Cut Recommendation

  • Depth: 60% to 68% (under 65% is relatively hard to find)
  • Table: 60% to 68%
  • Polish/Symmetry: Good, Very Good, or Excellent
  • Length/Width Ratio:


The best setting for an Asscher Cut diamond is a solitaire, because it makes the unique design of the Asscher Cut stand out. Asscher Cut engagement rings are available in white gold, rose gold, yellow gold, and platinum.

Asscher vs. Princess Shape

Both Asscher and Princess diamonds have a predominantly square shape, in that they have equal length and width. The main difference is the corners.

Asscher vs. Princess Cut

Asscher Cuts and Princess Cuts belong to two different types of cut. Asscher Cuts are “Step Cuts”,

Asscher vs. Princess Price

Carat for Carat, Asscher Cuts are a little more affordable than Princess Cuts. This is because Princess Cuts of a similar grade has more brilliance than Asscher Cuts,

Asscher vs. Cushion Shape

The main difference in shape between Asschers and Cushions is in the corners. Asscher Cuts are octagonal,

Asscher vs. Cushion Cut

Cushion diamonds, like the Princess cut, are brilliant cut diamonds. The difference in facets generates somewhat different reactions to light.

Asscher vs. Cushion Price

Both Asschers and Cushions are similar in price. Their similarities in shape mean you’re getting around the same visible size.