Asscher-cut diamond in a platinum setting from Graff.

Gaining in popularity, the Asscher-cut diamond puts a twist on traditional diamonds and is sometimes called the "square emerald." Here, we share a few of our favorite Asscher-cut diamond rings.

Asscher-cut yellow diamond in a platinum setting from Harry Winston.

Asscher-cut yellow-diamond ring with fancy-shaped diamond shoulders in a platinum setting from Graff.

Extremely rare fancy-intense pink-diamond ring in a platinum setting from Harry Winston.

Asscher-cut diamond in a platinum setting from Harry Winston.