<!--td {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}-->Emerald is an attractive diamond shape and is sometimes call to as square cut. It was initially made for emeralds, a popular diamond cut into fancy shaped diamonds. The emerald diamond has long, rectangular facets, and this gives it a sophisticated and eye-catching beauty. An emerald engagement ring will be cheaper than other shaped engagement rings.