This shape accounts for over 75% of all diamonds sold today. Round is the most popular shape used for engagement rings. It's 58 facet-cut achieves the maximum brilliance a diamond can have, maximising the reflection and refraction of light.

This is one of the most popular fancy-shaped diamonds and is popular for engagement rings. The princess cut is essentially a square version of the round brilliant cut, known technically as a square modified brilliant cut.

An emerald cut diamond can be extremely stunning. It may not have the sparkle of a round brilliant cut, but because of its long lines it tends to produce more dramatic flashes of light.

This shape is a cross between a princess and an emerald cut. It combines the best features of the round brilliant cut, the elegance and trimmed corners of an emerald cut and a squarer shape more similar to the princess cut.

This shape is a cross between a princess and an emerald cut. It combines the best features of the round brilliant cut, the elegance and trimmed corners of an emerald cut and a squarer shape more similar to the princess cut.

Pear shaped diamonds are often called 'teardrop' diamonds. This shape is a combination of the round brilliant and the marquise, a fiery cut with elegant lines and lots of sparkle.

The asscher cut is often referred to as the 'square emerald cut' - because it is square with wide step facets and cropped corners. This cut is designed to draw your eye into the stone.

Oval diamonds can appear larger than round diamonds of a similar weight. This shape is ideal for elongating shorter fingers, also like the marquise shape.

A square or rectangular shape with rounded corners, called 'cushion' as it resembles a pillow shape. A popular choice for vintage designs. Usually comprised of 58 facets, but not as brilliant as a round brilliant diamond.

A heart shaped diamond is usually comprised of between 56 and 58 facets, and is considered one of the most romantic choices. Heart shaped stones can be quite fiery with excellent sparkle.