Round Brilliant Diamond

However, other shapes belonging to two family of cuts exists and those are Step Cuts referring to your Emerald Cuts, Baguettes, among others and the others refers to Brilliant cuts such as Pears, Ovals, Marquises, etc.
Brilliant Cuts tend to have more facets and as a result are said to exhibit more fire and sparkle. While Step Cuts although may appear to have less fire, tend to look whiter and cost less.