The Guide to Buying the Perfect Diamond Shape

The Guide to Buying the Perfect Shape for Loose Diamonds

Before you analyze the cognitive value of a true diamond, it is important to know the most popular shapes the string of loose diamonds come with. Helping you discover the perfect diamond, here are the shapes these coveted stones come in:

Check our diamond sourcing tool to explore the different variety possibilities of shape, cut, color, clarity, and price!


The magnificently round shaped diamond is the most preferred cut when it comes to creating exclusive designs on Engagement rings or wedding bands.

The round cut stone penetrates the maximum amount of light and hence the radiance outshone by this variant of the stone is comparable to none other. On the flip side, the rounded stones are the most expensive ones.


The cut of this diamond stone is as unique and as charming as the name suggests. This cut is also a popular one used for designing Eternity or infinity bands. The cuts of the diamond are usually measured in an L: W ratio. L stands for length while W stands for width. The ratio for this cut measures 1: 1.20.


Oval cut stones are more or less similar to rounded diamond stones. However the only exception to the shape is the L: W ratio. Check for stones measuring 1.33 and 1.66 when you look for conventional oval cuts.


Have you ever wondered that marquise shaped stones look bigger even on a lower carat scale?

The marquise shaped stones are taller. That is the primary reason as to why these stones appear bigger. The conventional L: W ratio measures 1.75: 2.15.


This variant of the stone has one end pointed while the other one is smooth and round. The conventional L: W ratio measures 1.40: 1.75.

Heart shaped

The pretty looking heart shaped diamond stone symbolizes the eternity of love. L: W ratio is 0.90: 1.05.


A square cut with corners rounded off paves way for a cushion cut diamond stone. These are popular styles adapted in the latest designs on Wedding cum Engagement bands. The L: W ratio measures 1.0: 1.05.

If you would like more information or guidance on how to choose the perfect loose diamond, call us or visit us at our Colts Neck location.