Cushion cut diamond engagement ring in the older days was named pillow cut. For this type as its name suggest, resembles that of a plump cushion or pillow. Cushion shape comes in varieties of proportions. They could either be oval, square or rectangular with rounded corners.

Cushion cuts gained popularity in the latter part of the 1800s until the early 1900s.Before the dawn of electric bulbs, cushion cut diamond ring was also referred to as candlelight diamond because it was said to be most brilliant in candlelight.

In the modern day setting, cushion cut diamond engagement rings are more symmetrical than its older contemporaries, mainly due to the advent of modern refinements and upgraded lapidary skills. Though this may be the case, couples prefer older versions of cushion cuts and still searches for this kind in the antique or vintage market.