In general, a diamond cut into an early style of round cut, priori to the modern round brilliant cut. Apparently it was mistakenly believed that diamonds were once cut at the mines before wholesaling.

An earlier version of the brilliant or round cut, it has a cushion-shape with more than 58 facets and is distinguished by a large culet and small table.

a style of diamond cutting popular around 1860:1900. The diamond usually had 57 facets, but was more cushion cut than round, sometimes lumpy as though it had been cut in a mine. The culet was left large, leaving a circle through table of stone.