A Buying Guide For Princess Cut Diamond Ring

Diamond Engagement Rings
Diamond Engagement Rings
Engagement Ring
Engagement Ring

The princess cut, famous for its square shape, excellent brilliance, and sharp angles, dates back to the 1980s. A princess-cut diamond is inspired by the design of the antique French-cut diamond. The length-to-width ratio of a princess-cut diamond ranges between 1 and 1.05 to keep a perfect square shape. Princess cut diamonds are perfect for engagement rings.

Buying A Princess-Cut Diamond

It is necessary to get a hold of the ‘Four Cs’ of a diamond before you start your diamond search. The ‘Four Cs’ can be used to determine the quality of a diamond. The four Cs stand for Clarity, Cut, Carat, and Color.

Cut Of A Diamond

For any diamond, cut is extremely important. The cut determines the sparkle of a diamond. The cut grades are Poor, Good, Very Good, and Ideal.

Color Of A Diamond  

Color grades are assigned to diamonds. It denotes the effective tint of the diamond. The scale of diamond color ranges from D to Z. Color grade D is colorless whereas grade Z has a highly yellowish shade. Colorless diamonds are costlier than diamonds with tints.

Clarity Of A Diamond

The clarity grade of a diamond indicates the blemishes and inclusions they have. Blemishes are imperfections that occur while polishing the diamond. While inspecting a princess-cut diamond, you should carefully check for inclusions on all sharp corners. This type of inclusion makes your diamond prone to chipping. You can also check the inclusion report to confirm there are no inclusions at the edges. A clarity grade of VS2 or greater ensures an eye-clean diamond.

Carat of a diamond

Carat indicates the weight of a diamond. One carat approximately weighs 200mg.

Measuring a Princess Cut Diamond

The size of a princess-cut diamond increases with carat size. A 1-carat princess cut has dimensions of 5.5 x5.5 mm and that of a 1.5-carat diamond is 6.3×6.3 mm.

Best Setting For A Princess-Cut Diamond Ring


Small metal tips hold the center diamond in place. The prong setting permits a lot of light to reach the diamond which helps in ensuring excellent sparkle. The metal tips provide extra protection to the diamond.

Ideal Table and Depth Measurements

Diamond Ring
Diamond Ring

The topmost surface is called the table of a diamond. The ideal table percentage of a princess-cut diamond ranges between 67% and 72%.

The depth of a diamond is the length from the table to the culet. The ideal depth of a princess-cut diamond ranges from 64% to 75%.

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