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Square Cut Diamonds

Square cut diamonds most commonly refer to a princess cut diamond, which has pointed corners and sleek style lines. But princess shaped diamonds aren't the only square shaped diamonds. Asscher cut diamonds, radiant cut diamonds, and cushion cut diamonds all offer a square look, as well. Shop all of these square shaped, paying attention to the different cut designs to select the ideal square shaped diamond for your custom jewelry.

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11 of 1,495 Square Cut Diamonds

1.00 Carat H-SI1 Asscher Cut Diamond

$1,970

1.00 Carat H-SI1 Asscher Cut Diamond

$2,030

1.00 Carat H-SI1 Asscher Cut Diamond

$2,030

1.00 Carat G-SI1 Asscher Cut Diamond

$2,050

1.00 Carat F-SI1 Asscher Cut Diamond

$2,050

1.00 Carat G-SI1 Asscher Cut Diamond

$2,080

1.01 Carat H-SI1 Asscher Cut Diamond

$2,080

1.00 Carat I-VS2 Asscher Cut Diamond

$2,080

1.00 Carat D-SI1 Asscher Cut Diamond

$2,080

1.00 Carat G-SI1 Asscher Cut Diamond

$2,130

1.00 Carat H-SI1 Asscher Cut Diamond

$2,140

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FAQs about Square Cut Diamonds

What's the difference between an Asscher shape and a Princess shape?

Both an Asscher cut diamond and a Princess cut diamond are square in shape, but the cuts of the shapes are very different. Asscher cut diamonds feature a large pavilion with rectangular facets that create tapered corners. Princess cut diamonds feature straighter lines and pointed corners.

What is the difference between a cushion cut diamond and a princess cut diamond?

A princess cut diamond has sharper corners and straighter style lines than a cushion cut diamond, which features softer corners and a more convex shape overall. Both are available in square and rectangular options.

Are square shaped diamonds more expensive than round diamonds?

All square shaped diamonds are fancy-shaped diamonds, which can be up to 25% less expensive than a round diamond of the same carat weight and quality.

Do princess cut diamonds or cushion cut diamonds look larger?

A one-carat, princess cut diamond is roughly 5.5mm, while a one-carat, cushion cut diamond is roughly 6.5mm x 5.5mm. Check out Blue Nile's size chart to compare all square diamond shapes.