Princess Cut Diamond Buying Guide

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A Princess Cut tops the chart in today’s market, only second to a round. The modern square shape is appealing for women because it isn’t as traditional as a round. Its popularity means that a lot of diamond rough is being cut into this modern shape, so a diamond buying guide is a must when searching for the perfect diamond that won’t break the bank but give you the most bang for your buck.


Since Princess Cuts are considered fancy shapes (basically any shape except a round), they differ in length to width ratio. There is no industry wide consensus on the perfect parameters for a princess; therefore a Princess Cut can be square or more rectangular. In fact it is very rare to find a perfectly square Princess Cut. More often than not a Princess Cut is slightly rectangular, though it’s usually not visible to the naked eye.

When looking at a Princess Cut (or any diamond for that matter) a good rule of thumb is to find what looks best to you, everyone likes something different when it comes to shape.

The price of a Princess Cut is usually affected by how precise it’s cut into a square. Aim for a 1.05 or less length to width ratio, which will appear square. At the very least the cut should have good polish and symmetry.


Princess cuts tend to retain more color than round diamonds so to get a diamond that faces up white I usually suggest staying at the upper end of the near colorless range (G-H). There’s no need to dive into the colorless range unless you are super color sensitive, since you’ll be paying a premium for something that will hardly be noticeable.


Princess cuts are similar to rounds with their ability to hide inclusions. I recommend staying in the VS-SI in clarity. Going anywhere above these parameters you’ll be paying a lot more for something you wouldn’t see anyway.


Princess cuts tend to be less expensive than rounds because a lot less material is wasted when cutting the rough of the diamond. So by choosing this cut you may get more carat weight for your money.

A great rule of thumb is to go shy certain weights, meaning just below. Diamonds usually jump up in price at the 1 Carat mark, so buying shy of a 1 Carat will save you a little dough and will also give you a diamond that won’t look much smaller than its 1 Carat counterpart.


The setting for a Princess Cut is crucial. A Princess Cut has 4 sharp corners which become more susceptible to damage if not put in a proper setting. V-Tips should always be used as the prongs for a Princess Cut; they cover the corners of the diamond and prevent damage.


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