The GIA Cut Scale is used for round brilliant-cut diamonds and consists of 5 grades, ranging from excellent to poor. You may think cut is the shape of a diamond, like square cut or round. However, there is much more to cut than the basic shape....

Larger diamonds are more rare than smaller diamonds. So all other factors being equal, a single 1-carat stone would be worth more than four 1/4-carat stones put together. However, the value of a diamond is determined by considering all 4Cs, so bigger is not...

Because diamonds form under tremendous heat and pressure, it is extremely rare to find a diamond with no internal or surface-reaching inclusions. Natural diamonds are the result of carbon exposed to tremendous heat and pressure deep in the earth. Inclusions...

When it comes to Diamonds the less color, the higher the grade. The GIA Color Scale classifies Diamonds from D (colorless) to C (light-yellow or brown). Each letter grade represents a range of colour and it is a meassure of how noticible a colour is. Trully...

The key to understanding a Diamond and its value, it is to understand the 4 attributes that all Diamond shares Color, Clarity, Cut and Carat Weight (known as 4Cs). The Gemologist Institute of America (GIA), developed the 4Cs in order...

Understand The 4Cs of Diamond Quality The GIA 4Cs of diamond quality will help you learn how to buy a diamond. This basic knowledge will not only unlock the mystery of a diamond’s quality, it will also help you understand a diamond’s value and price. Diamond...