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Diamond Shapes

Diamond Shapes Explained

Diamonds come in different shapes and each one has certain characteristics that determine quality.

Round Brilliant Cut

This is the most popular of all shapes. Shaped like a cone, this cut of diamond maximizes the amount of light to hit the diamond.

Round Brilliant Diamond

Princess Cut

After the round shape, the Princess Cut is the second most popular shape of diamond. Square in shape, this style is the most preferred in engagement rings specifically. Diamonds of princess cut vary in how “square” or “rectangular” they are. However there are lengths to width ratios that maximize their brilliance. For a princess diamond shape that is square, recommended length to width ratios between 1 and 1.05 is optimal and for rectangular ones a 1.10 or greater ratio is preferred. Grading reports refer to the princess cut as a “square modified brilliant” cut.

Princess Cut Diamond

Cushion Cut

The cushion shape has increasingly become a popular choice of diamond cut, also known as a pillow cut diamonds, they have rounded edges and bigger facets that help increase brilliance, for a cushion cut diamond that is square, recommended length to width ratio between 1 and 1.05 and for more rectangular shape, length to width ratios greater than 1.15 are good.

Cushion Cut Diamond

Emerald Cut

Rectangular facets on the pavilion give the Emerald shape diamonds a unique appearance. Like other fancy shaped diamonds, emerald cut diamonds can come in a variety of length to width ratios. The most popular and classic outline of emerald cut diamonds are close a value of 1.5.

Emerald Cut Diamond

Asscher Cut

Otherwise known as a “Square Emerald” cut, this cut is very much like the Emerald Cut featuring 58 facets except that it has a very square shape. It has the same rectangular faceted pavilion as the emerald cut. The recommended length to width ratio between 1.00 and 1.05.

Asscher Cut Diamond

Marquise Cut

This shape can enhance the size of the diamond for its carat weight, giving a much larger look to the diamond. Marquise diamonds look best when set with round or pear shape side stones. They also make the fingers look long. Recommended length to width ratios is between 1.75 and 2.25.

Marquise Cut Diamond

Oval Cut

The brilliance of this shape is similar to that of a round one. These diamonds give the illusion of length to the fingers. Recommended length to width ratios are between 1.33 and 1.66.

Oval Cut Diamond

Radiant Cut

A rectangular shaped diamond it has its corners trimmed and is used popularly for jewellery. It looks beautiful when set with round or baguette diamonds. They vary in the terms of length-to-width ratio, some being more rectangular and others being more square shaped. If you prefer a more square radiant diamond, then the recommended width to length ratio is between 1 and 1.05. If you prefer more of a rectangular shape, then a ratio greater than 1.10.

Radiant Cut Diamond

Pear Cut

This has a rounded end and a single pointed end. For the most traditional pear shaped diamond, preferred length to width ratios are between 1.45 and 1.75.

Pear Cut Diamond

Heart Cut

The ultimate symbol of love, this shape is used in a variety of jewellery items. Preferred length to width ratio are between 0.90 and 1.10.

Heart Cut Diamond

Trilliant Cut (Trillian, Trillion)

A triangular diamond with 50 facets, slightly curved sides.

Trilliant Cut Diamond