The Asscher cut diamond shape where the stone is cut into a square with octagonal facets. It was originally developed in 1902 by the Asscher Brothers of Holland, who worked to perfect the technique and create one of the most sought-after cuts in diamonds. The Asscher cut diamond has 58 facets, which allow for more sparkle and brilliance than other shapes. The unique step pattern on its pavilion also creates interesting optical effects like flashes of light when viewed from different angles. Additionally, the Asscher cut can be found with various levels of depth and table size that will affect its appearance and value.