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The Four C's Of Diamonds  and Much More

Buying a diamond does not have to be an uncomfortable experience. The Nishal Gems Education Guide is designed to give you the  information you need to properly evaluate diamond quality and value with confidence.

Every diamond is unique and there are variety of factors that affects the price of a diamond. Focus on the factors that are most important to you, then choose a diamond that satisfies your personal standard of beauty and value.

At Nishal Gems, we aim to help you find a diamond that suits you in a more effective and efficient way.


Every diamond certified by the IGI undergoes a thorough, independent evaluation. Here you will learn how IGI diamond grades are established, and how those grades affect the diamond's price. Each of the four C's (Carat Weight, Cut, Color, Clarity) is accompanied by a diamond chart illustrating the differences between grades.

After learning more, if you need to see diamonds in person, visit your local jewelry store. Get a better sense of what you personally value in a diamond. Note the color, cut, and clarity that best fit your needs. While you're there, compare the prices with what you find at Nishal Gems. We're confident you will be pleased with what you find.


See every round and
fancy diamond shape…


Learn how diamond
color is measured…


Understand key terms
and measurements…


How diamond cut affects
appearance & beauty…


How to read a diamond
clarity chart…


Get the definition
of common terms…


How diamond carat
size affects price…


On the impartial
grading of diamonds…


Questions about these or other terms relating to a diamond ?

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