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Introduction to Diamond Shapes

popular diamond shapes

Explore the 10 most popular diamond shapes. Each is uniquely brilliant, evoking emotion and reflecting the personality of its owner.

The simplest way to categorize a diamond is by its shape. Commonly available in 10 different options, the shape of a diamond makes the biggest impact on the appearance of an engagement ring.

The classic round diamond is the most popular shape, renowned for its ideal brilliance. All other diamond shapes are known as “fancy” shapes; these diamonds are prized for their elegance and unique facet patterns.

Buying Tip: While you’re researching diamonds, you’ll see the term “diamond shape” as well as “diamond cut”. These terms are used interchangeably: A “round cut diamond” is the same thing as a “round shaped diamond”. They both refer to the silhouette of the diamond. The diamond’s silhouette is different than its cut grade, which is one of the 4 Cs and describes its quality.

round-cut diamond
Round Diamond

Classic circle shape with maximum sparkle. With 57 to 58 facets cut to produce incredible sparkle, round-shaped diamonds are truly timeless. The round shape is the first of the modern diamond cuts, and first gained popularity in the 1920s.

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princess-cut diamond
Princess Diamond

Square shape with sharp angles and ample brilliance. Developed in the 1980s, the princess diamond is prized for its modern, clean lines and stunning sparkle.

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cushion cut diamond
Cushion Diamond

Square or rectangular shape with curved corners and soft, vintage facet patterns. An antique style that’s increasing in popularity, cushion-shaped diamonds are reminiscent of round and oval shapes. Cut for less brilliance than the classic round, a cushion diamond has a soft, romantic appeal.

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emerald-cut diamond
Emerald Diamond

Rectangular shape evoking Art Deco designs. With its large table and distinctive elongated pavilion, the emerald shape is inspired by its namesake gemstone. With fewer facets than round and princess diamonds, the emerald shape emphasizes a diamond’s clarity above its sparkle.

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radiant diamond
Radiant Diamond

Square or rectangular shape with intense brilliance. The radiant diamond is a stunning blend of other shapes. Its cropped corners liken it to the emerald and Asscher shapes, while its brilliant facets are inspired by round and princess diamonds. Modern with lots of sparkle, the radiant diamond shape is a sophisticated choice for those who wish to stand out.

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oval shaped diamond
Oval Diamond

Classic oval shape with powerful sparkle and lengthening effect. This shape brings together the sparkle of a round brilliant with the elongated design of a marquise. While the oval diamond was developed in the 1960s, it has a classic feel. The length maximizes surface area, making it a smart choice for those wanting a large diamond for their budget.

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pear shaped diamond
Pear Diamond

Unique droplet shape with cascading brilliance. The pear-shaped diamond – also known as the teardrop diamond – can appear modern or vintage, depending on its setting. With 58 facets, it has a brilliant cut that exhibits lots of sparkle. Its elongated shape lengthens the finger, making it a flattering choice for engagement rings.

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asscher diamond
Asscher Diamond

Uniquely crafted square shape. A variant of the emerald shape, the Asscher diamond is known for the subtle yet iconic “X” visible in its table. Its square shape is comparable to the princess diamond, yet its cropped corners and mesmerizing angles set it apart from any other shape.

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marquise shaped diamond
Marquise Diamond

Unique oval shape with smooth curves and pointed ends, originally commissioned by King Louis XIV. The marquise has one of the highest size-per-carat-weight ratios of any diamond shape, which means that your diamond will appear larger. Its flattering design elongates the finger, while its facets produce beautiful sparkle.

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heart shaped diamond
Heart Diamond

Iconic heart silhouette with distinctive length-to-width ratios. A modified brilliant shape, similar in style to the pear, the heart diamond is an ever-romantic choice. Typically cut with 59 facets, the heart silhouette is designed with extraordinary sparkle in mind. Depending on the length-to-width ratio, this diamond can be narrow, wide or in a classic heart shape.

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