Stone Shape Guide

Round	The round brilliant cut is by far the most popular. Round brilliant cut are very versatile and will suit all finger sizes. These are perfect for claw or channel settings, with or without accent stones.
Princess	The princess cut is a square cut with sharp edges. With their pointed corners, princess cuts are perfect fro solitaire rings or rings of three or more stones, with the princess as the center stone. They are also ideally suited for a wearer with long or slender fingers.
Asscher	This elegant and unique shape is nearly identical to the emerald cut, except that it is square. The asscher cut has a facet plan that draws the eye into the gemstone and gives it depth. It is characterized by its distinctive rounded corners. All asscher cuts appear square and 1:1 ratio is preferred. Developed by the Asscher Brothers of Holland in 1902, this cut has had a dramatic increase in popularity with exposure in shows like "Sex & the city" and on celebrities like Kate Hudson, demand for the asscher cuts has dramatically increased.
Pear	This fancy teardrop shaped cut has a rounded end and a single point. It is a hybrid combing the most remarkable characteristics of oval and marquise shapes. It is extremely well suited for pendants and earrings. Many who like the look of round but want a fancy shape choose the pear shapes. Longer pear shapes also have a slimming effect on fingers.
Oval	The oval shape has the dazzling brilliance of a round. Its oval shape gives the flattering illusion of length to the finger and hand and is popular among women with shorter fingers. It can also accentuate long slender fingers. To choose the dimension you want, see the length to width ratio below.
Radiant	This is a square or rectangular shaped diamond that has clipped off corners like the emerald cut. It combines the elegance of the emerald cut diamond with the brilliance of the round diamond.
Heart	The heart is the ultimate symbol of love. Never confused with other diamond shapes, heart shaped diamonds are considered to be a novelty by some, are rarely used in engagement rings, but are stunning in pendants and earrings.
Emerald	This rectangle shaped, with cut corners, is also distinguished by its large, open table. It is also known as a step cut due to the appearance of concentric broad, horizontal surfaces, resembling steps. Emerald cuts are often set with multiple side stones to provide balance to its elongated shape. What makes this shape different is its pavilion, which is cut with rectangular facets to create a unique optical appearance.
Marquise	Created under the commission of France's Louis XIV, the Sun King, to memorialize his bright smile, the marquise cut is one of the most elegant available. It is a highly popular for bridal sets. With its oval shape and tapered ends the marquise is frequently used as a centre stone, running parallel to the finger, with smaller stones on either side. Due to its elongated shape the marquise cut is often chosen by people with short fingers, as it creates the appearance of long, slender fingers.
Cushion	The cushion cut has a square shape with rounded corners and sides. It is an antique-style diamond that was most popular about a century ago and has recently come back into fashion. Its old world femininity has an elegant appeal. Cushion-cut (also known as "pillow-cut" ) have rounded corners and larger facets to increase their brilliance. Cushion-cut are available in shapes ranging from square to rectangular.
Trilliant	Slightly on the daring side, the trilliant shape, usually in a general triangular shape, provides very good fire.Developed in Amsterdam, the precise shape of the trialliant cut will very much depend on the diamonds inherent characteristics. Based on these characteristics the trilliant may be created in either a traditional triangular shape or, a rounded triangular shape.As a result of their ability to be neatly fitted next-to larger stones without gaps and spaces, trilliant cuts are often used as side stones for emerald, or princess cut shaped diamonds.