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Cushion Cut Diamonds


Explore our collection of chic cushion cut diamonds at James Allen. Combining a square or rectangular shape with soft, rounded edges, this gemstone resembles a pillow or cushion - hence the name. Featuring a romantic allure and classic charm, cushion cut diamonds have large facets that ensure each gemstone captures and reflects light, resulting in incredible brilliance that stands out in any setting and any piece. Particularly popular for engagement rings thanks to their timeless elegance, their unique blend of antique yet modern aesthetics makes them a great fit for earrings, necklaces, and bracelets too! At James Allen, every cushion cut diamond in our collection is meticulously selected to ensure it meets high standards and enables you to find the perfect diamond. Explore our selection of cushion cut diamonds today. 

FAQs About Cushion Cut Diamonds

What makes cushion cut diamonds unique?

Cushion cut diamonds embody old-world charm with a modern feel thanks to their pillow-like shape with rounded corners that enhance their brilliance.

What are the ideal proportions for a cushion cut diamond?

While personal preference plays a big role, if you want a more square shape, a length-to-width ratio of 1.00 to 1.09 is ideal and if you prefer a more elongated shape, look for a ratio of 1.15 to 1.20.

Are cushion cut diamonds more affordable than round diamonds?

The price of cushion cut diamonds depends on a variety of factors, namely the 4Cs: cut, color, clarity, and carat weight. When comparing cushion cut diamonds to round diamonds of similar quality, cushion cuts typically cost less per carat, thanks to a less wasteful cutting process and a lower demand.

What is the best setting for cushion cut diamonds?

The best setting is the one you love best, luckily cushion cut diamonds are versatile and look good in a variety of settings. Some particularly popular options are halo and solitaire settings since they highlight the stone’s shape and brilliance.

Are cushion cut diamonds a good choice for engagement rings?

Absolutely! In fact, they are an extremely popular choice for engagement rings due to their romantic and vintage appeal.

What stones complement cushion cut diamonds?

If you are looking at settings featuring side or accent stones to complement your cushion cut diamond, consider options with round or pear shaped diamonds or gemstones, as these can enhance the overall brilliance of your jewelry.

How should I care for my cushion cut diamond jewelry?

To care for your cushion cut diamond jewelry, make sure to store it in its original packaging or a similar soft cloth pouch. This will help avoid scratching and other damage, which will help preserve its sparkle. Additionally, make sure to keep it clean. Cleaning your cushion cut diamond jewelry is similar to cleaning all your diamonds and other fine jewelry. Take a small bowl and fill it with warm water and mild dishwashing soap. Now, let your jewelry soak for around 15 minutes and gently brush it using a soft bristle toothbrush. Then rinse with clean water, allow to air dry, and you’re done!

Can cushion cut diamonds hide flaws well?

The rounded corners and large facets of cushion cut diamonds can hide certain inclusions and blemishes, making them a great choice if you are looking to prioritize overall brilliance over absolute clarity.

What should I look for in a cushion cut diamond?

In addition to the 4Cs, the shape of a cushion cut diamond is critical. They can come in options from very round to very square, so look for a diamond that is somewhere in the middle. A square shape with rounded corners and slightly curved sides.