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Princess Cut Engagement Rings

Modern, elegant and brilliant princess cut engagement rings feature a square-shaped center diamond, with each corner culminating in a 90-degree point. Commonly referred to as a square-cut diamond engagement ring, this princess diamond is among the most popular of the fancy-cut diamonds. Shop our full selection of princess cut diamond rings to find the perfect engagement style. 
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Princess Engagement Ring

FAQs about Princess Cut Engagement Rings

Are all square engagement rings princess cut engagement rings?

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No, there are additional diamond shapes that can be found in square-shaped engagement rings. This includes Asscher, radiant and cushion cut diamonds. While princess diamonds are the most popular, a square engagement ring may feature one of these other shapes instead.

Are princess engagement rings more expensive than round engagement rings?

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No—in general, it's actually the opposite. Fancy-cut diamonds, such as the princess cut diamond, are up to 25% lower in price than a round brilliant diamond of the same carat weight and quality.

A 1 carat white gold square diamond engagement ring will cost less than a comparable round diamond ring in the same metal. 

How are princess-shaped engagement rings and cushion cut engagement rings different?

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When you’re searching for square engagement rings, you may find other diamond shapes such as Asscher or cushion in addition to princess cut rings. These other shapes offer some similar features to princess engagement rings, but there are some key differences to keep in mind.

Princess engagement rings feature pointed, 90-degree corners, while cushion cut engagement rings showcase diamonds with softer corners. Cushion diamonds and Asscher diamonds are also faceted differently than princess cut diamonds, highlighting unique aspects of their gems.  

Do princess engagement rings or round engagement rings look bigger?

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When you have two stones of equal carat weight, typically, a round diamond will appear larger than a princess cut. Our diamond size chart shows how each diamond shape measures up at equal carat weights. The chart is especially helpful for illustrating how large diamond shapes can look for engagement rings.

What is a princess cut diamond ring?

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Princess cut diamond rings are rings that feature a princess diamond as the main gemstone in the setting. They’re typically engagement rings, though there are also some princess cut wedding rings in eternity styles.

Rings with princess diamonds will have clean lines and right angles in the main setting. At Blue Nile, we offer these popular rings in yellow gold, white gold, rose gold and platinum with preset or custom designs featuring the exact princess diamond you’d like included. You can choose from natural or lab grown diamonds for these ethical and stylish square-cut diamond rings.  

Which engagement ring styles are best with square diamonds?

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Sleek and modern princess cut engagement rings are most popular in settings that reflect the crisp shape of these gems. This includes solitaire engagement rings, halo rings and men’s engagement rings.

Does Blue Nile offer ethical princess cut diamond engagement rings?

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Yes, all of our engagement rings, wedding bands and jewelry features ethical diamonds.

What makes princess cut diamond rings unique?

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The face-up profile of princess diamonds offers clean lines and symmetrical shapes, making rings with these gems the perfect choice for people who appreciate crisp modern style. The lower facets of these diamonds bring brilliant light scintillation, helping princess cut diamond rings stand out with sparkling beauty.

Are square diamond rings popular?

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Yes, rings with princess cut diamonds are some of the most popular the fancy diamond shapes. Round diamonds are still the most requested style of all, but square cut diamond engagement rings are a leading choice for more unique styles.

How can I find the right ring size?

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You can use our free online ring sizer to find your fit or the ring size of your partner.

What designs are best for a princess-cut diamond ring?

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The modern lines of princess cut diamond engagement rings make them perfect for virtually any style. These rings are usually found in precious metals like white gold, rose gold, yellow gold or platinum. They look best in settings where the princess diamond is the main gemstone

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