- Brilliant Round -The round brilliant diamond is the most popular diamond shape and, because of the laws of supply and demand, is the generally the most expensive. In contemporary times, the round brilliant diamond has become the most popular diamond shape for the engagement ring.
- Emerald -The term emerald diamonds refer to diamonds with an emerald cut. This is a distinctive type of diamond cut that is coveted by many diamond enthusiasts. Simplicity of form gives the emerald-cut diamond a graceful appeal.
- Asscher -The Asscher-Cut Diamond is also called a "square Emerald-Cut" because it is made using the step-cut process and has cropped corners. Because of the cropped corners, it is almost octagonal at first glance. They are bright, shiny, and clear in appearance.
- Oval -Oval diamonds are a modified brilliant-cut. the oval is an ideal choice for a customer who likes the look of a round diamond, but wants something more unique. Oval diamonds have the added advantage of an elongated shape.
- Marquise -Marquise diamonds are a modified brilliant-cut. The name is derived from the Marquise of Pompadour, for whom King Louis XIV of France allegedly had a stone fashioned to resemble what he considered her perfectly shaped mouth.
- Princess -The princess is a brilliant-style shape with sharp, pointed, uncut corners. It is typically square in appearance (length-to-width ratio 1.05 or less), rather than rectangular. The princess was developed in 1980.
- Heart -The Heart-Shaped Diamond is considered the most romantic of all diamond cuts. Heart-Shaped Diamond generally contains 59 facets, and is cut much the same way that a Pear-Shaped Diamond is.
- Cushion -The Cushion-Cut Diamond is an antique cut that has a classic, romantic appeal. It is, more or less, a cross between the Old Mine Cut, which was popular in the late 19th and early 20th centuries, and a modern Oval-Cut Diamond.
- Pear -The pear shaped diamond is also called the teardrop diamond; because of its shape. The pear shaped diamond is a combination cut of the round-brilliant and the marquise.
- Radiant -The radiant is the first rectangular cut to have a complete brilliant facet pattern applied to both the crown and pavilion and as such presents a much more dazzling and brilliant diamond than the simple emerald cut.
