The Shape of a Diamond - Why Cut is Important

The Shape of a Diamond  - Why Cut is Important
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Posted in: Diamonds

Diamonds come in many different varieties, and Beverly Loan Company has seen every type of diamond – in every shape and every color. You may not be aware that that diamonds come in blue, green, pink and red, or that they can be cut into various shapes. Most people know of the “4 C’s”, which determine the cut, color, clarity, and carat of a diamond and determine the rarity and value of a stone.

Any diamond shape that is not a round is referred to as a fancy cut, and the cut of a diamond doesn’t just mean the shape – you can have high quality cuts and low quality cuts. The Gemological Institute of America, where the loan officers at Beverly Loan have been trained, have very specific factors to grade diamond cuts.

These factors are graded from excellent, very good, good, fair and poor. Symmetry, which determines, among other things, whether a diamond has misshapen facets, an off center culet, uneven corners or bulges in the stone. When grading Polish, gemologists look for things like scratches, polish lines, nicks or abrasions. These two elements are considered in for the finish of the diamond, which has its own overall grade. If a diamond has finish, polish and symmetry grades of all excellent, it’s called a “Triple X Diamond” and is very desirable. This triple x grade significantly raises the price of a diamond.

The most popular shape of a diamond, a round, represents about 75% of all diamonds sold and the majority of diamonds brought in for a loan at Beverly Loan Company. Round diamonds are popular mainly because it’s an ideal cut to maximize brightness and sparkle due to its reflection of light.

A princess cut diamond, or square diamond, is the most popular fancy cut diamond. These stones work in almost any style of setting, and diamond cutters and manufacturers like princess cuts because you can typically get two similarly sized diamonds out of one piece of diamond rough.

Each shape of a diamond has its own concerns when being cut, and proportion variations can greatly affect appearance.  An oval, marquise, heart, princess and pear shapes need to have a good length-to-width ratio or it will look odd and misshapen.

The cushion cut diamond has been around for around 200 years, and used to be the most popular diamond shape, similar to a round diamond today. The criteria for this diamond shape vary more than others, and personal taste usually dictates which cushion style is purchased.

Emerald, Asscher, and Radiant cut diamonds have very large tables, or the flat portion on top of the diamond. These styles of cut have less sparkle, but can have long dramatic flashes of light that enhance a diamonds beauty. When looking to purchase a diamond with a fancy cut, it’s important to think about the clarity of a diamond, as it can be easier to see inclusions through the open table.

The shape of a diamond and quality of cut are incredibly important factors into determining the quality of a stone, and it’s important for customers to be aware of these aspects when purchasing a diamond, selling a diamond or getting a collateral based loan.


Beverly Loan Company purchases, sells and makes pawn loans against diamonds of all shapes, sizes, cuts and colors.  Please call 310-275-2555 or email with any inquiries.

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