The arrangement of the gem 's many ( 49 to 144 ) Think of the big , flashy Princess cut as the ` ` Yeah , yeah ! '' Okay . The name for the Marquise cut comes from 18th - century Versailles . A princess - cut diamond is domed and cut with facets . The round diamond is the most popular shape for engagement rings .
Think of the big , flashy Princess cut as the ` ` Yeah , yeah ! '' Okay . The name for the Marquise cut comes from 18th - century Versailles . A princess - cut diamond is domed and cut with facets . The round diamond is the most popular shape for engagement rings .