What Is A Diamond Shape?

Diamond shape describes the distinctive outline and overall appearance of a diamond. From the classic round to elegant oval, radiant, emerald, pear, marquise, and elongated cushion, each shape offers a unique combination of sparkle, proportions, and style.

The shape you choose can influence how a diamond reflects light, how large it appears, and the overall look of your jewelry. Some shapes are known for maximum brilliance, while others create a sleek, elongated, or bold appearance. Explore each diamond shape to find the one that best reflects your personal style.

Diamond Shapes vs. Cuts Meaning

Diamond Shapes vs. Cuts Meaning

While diamond shape and cut are often used interchangeably, they represent two different elements of a diamond’s beauty. Shape refers to the diamond’s outline and design, such as Round, Oval, Emerald, Radiant, or Elongated Cushion — defining its overall style and character.

Cut refers to how expertly a diamond is crafted to interact with light. Determined by its proportions, symmetry, and polish, cut quality influences a diamond’s brilliance, fire, and sparkle. The perfect diamond combines a beautiful shape with exceptional cut craftsmanship to create a timeless piece of jewelry.

What Is The Length-To-Width Ratio Of A Diamond, And Why Does It Matter?

A diamond’s length-to-width ratio compares its length with its width and helps define its overall outline. Depending on the shape, a higher ratio can create a longer, more elongated appearance, while a lower ratio may look wider, softer, or more balanced. There is no single “perfect” ratio—the ideal proportion depends on the diamond shape and your personal style.

Explore Popular Diamond Shapes

  • Round

    Round

    The classic shape with the 58 facet Sparkler

  • Cushion

    Cushion

    Cozy rounded corners with large brilliant facets

  • Emerald

    Emerald

    Long, clean lines create the Hall of Mirrors

  • Marquise

    Marquise

    Long, narrow sparkle buster

  • Radiant

    Radiant

    Maximize brilliance in this rectangular show stopper

  • Heart

    Heart

    A romantic statement of your love - FOREVER

  • Princess

    Princess

    Capturing fire and brilliance in a square

  • Pear

    Pear

    Slim, teardrop shaped brilliance

Diamond Shape Vs. Diamond Color

A diamond’s shape can influence how its color is perceived. Different shapes have unique facet patterns that interact with light in different ways, which may make color appear more or less noticeable. However, shape alone does not determine a diamond’s color. Cut quality, proportions, lighting, and the individual characteristics of each diamond all contribute to its overall appearance.

Diamond Shape Vs. Clarity

Diamond clarity measures the internal characteristics, known as inclusions, and surface features, known as blemishes, within a diamond. These characteristics are evaluated based on their size, number, position, and visibility, typically under 10× magnification. A diamond’s shape and facet pattern can affect how easily certain inclusions are seen. Brilliant-cut shapes, such as round and oval, often create strong sparkle that can help make small inclusions less noticeable. Step-cut shapes, including emerald and Asscher cuts, have larger, open facets that may make clarity characteristics easier to see. For this reason, the ideal clarity grade can vary depending on the shape you choose.

What Is The Bow-Tie Effect And Which Diamond Shapes Does It Affect?

A diamond’s length-to-width ratio compares its length with its width and helps define its overall outline. Depending on the shape, a higher ratio can create a longer, more elongated appearance, while a lower ratio may look wider, softer, or more balanced. There is no single “perfect” ratio—the ideal proportion depends on the diamond shape and your personal style.