Understanding Shape

Diamond Emporium offers diamonds in 11 unique shapes, each offering its own special characteristics, light reflection and aesthetic qualities. From the most popular round to the romantic heart and delicate pear, a diamond’s shape is just one of the many decisions engagement and wedding ring shoppers face.

When comparing diamond shapes, consider personal taste, personality, hand size and ring setting. The oval, marquise or pear shapes are ideal choices for enhancing fingers that are long and slender, while smaller hands pair well with round or princess-shaped diamonds. Fuller hands and fingers can carry-off more ornate or heavier ring settings and shapes. When considering shape, stay mindful of a diamond’s carat weight and how this impacts its ultimate size and appearance.

To assist with your selection, we’ve provided a brief overview of each diamond shape.

The most popular cut, Round diamonds were originally created to optimize the stone’s brilliance (reflected white light) and fire (spectral color flashes). Round cut diamonds are distinguished by their constant and equal proportions, with multiple angles scattering light like no other shape can.

This is our most popular non-round diamond. Its beautiful brilliance and unique cut makes it a favorite for engagement rings. The princess has pointed corners and is traditionally square in shape. When choosing a color grade, consider that while the price of a J-color non-round
diamond is exceptional, color may be slightly visible in its corners. Also, princess-cut diamonds can vary greatly in how square or rectangular they are. To find the dimension of princess you want, look for the Length to Width Ratio in our interactive diamond search and on each diamond’s detail page. This will determine what the diamond will look like when viewing it from above. Here are length-to-width ratios for princess-cut diamond shapes that are pleasing to the eye.

For a princess diamond shape that is square, look for length-to-width ratios between 1 and 1.05. If you prefer more of a rectangular shape, look for length-to-width ratios greater than 1.10. For the most brilliant princess available, view the Diamond Emporium Ideal range

Second most popular, the Princess is square in shape with variable length-to-width ratios. The ideal ratio of a Princess-shaped diamond is between 1 and 1.05 for square or between 1 and 1.10 for rectangle.

The rectangular Emerald shaped stone highlights the gem’s clarity, with length-to-width ratios varying widely. Review the diamond certificate clarity plot or talk with a Diamond Emporium professional if you’re interested in an Emerald-shaped diamond of a reduced clarity grade, as
this may compromise the diamond’s beauty when placed into your chosen setting.

The Asscher is strikingly similar to the Emerald shape except for its square symmetry. Length-to-width ratio is even across all four sides, ranging between 1.00 and 1.05. As with the Emerald diamond shape, clarity should be your main priority, and we recommend stones with an VS2 grade or greater.

Ideal for those who desire a considerable and impressive diamond look, the Marquise is a popular diamond shape among the brilliants. This shape dramatically enhance the look of long and slender fingers. The classic Marquise length-to-width range lies between 1.75 and 2.25.

Rounded and narrow, the Oval shape scatters light similar to the popular Round diamond, while even more effective in enhancing the beauty of slender hands. The Oval is commonly offered between 1.33 and 1.66 length-to-width ratio.

A striking symmetrical cut, Radiant-shaped diamonds are ideally cut with a length-to-width ratio between 1 to 1.10 depending on your preference.

The Pear, a teardrop-shaped diamond, ranges in elongation and is distinguished by its alternate pointed and rounded tips. The most common length-to-width ratios range from 1.45 to 1.75.

Truly romantic and feminine, the petite Heart-shaped diamond is available in a range of length-to-width ratios including the most traditional options of .90 to 1.10.

This captivating shape emphasizes a diamond’s brilliance and clarity, with softly rounded corners forming numerous ratios that vary from the symmetrical square (1 and 1.05 length-to-width ratio) to elongated rectangle (1.15 or more length to width ratios).

The Trilliant cut diamond is a triangular cut diamond that is often used as a side stone in diamond engagement ring designs. However, Trilliant cut diamonds can also be used as a single solitaire or centre stone in a diamond pendant or wedding engagement ring.

The greatest feature of a Trilliant cut diamond is that the cut makes the stone look a lot larger than a round diamond of the same size. This is done by cutting the diamond with straight sides and very slightly blunted tips, making the diamond look as if it bulges at the sides.

The Trilliant diamond or Triangle Diamond, as some refer to it, has no ideal cut proportions unlike other gems.

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