A poorly cut diamond will appear dull and lifeless, even if it has excellent clarity and color. The GIA grades cut quality on a scale from Excellent to Poor, with higher grades ensuring better ...

Beginning later this year, GIA (the Gemological Institute of America) will start using descriptive terms to characterize the ...

The Gemological Institute of America (GIA) has decided to stop using its 4Cs grading system for lab-grown diamonds. This move ...

This is the diamond clarity scale from the American Gem Society side-by-side with the Gemological Institute of America’s (GIA ...

Experts explain how a stone's hue can affect the price and value of an engagement ring. Reviewed by Olivia Landau As you start to consider different engagement rings, it's important to understand ...

is the highest end of the GIA color scale. It is rare for any diamond to achieve this, much less one of more than 300 carats. While Graff noted its high clarity, meaning that the diamond has few ...

But the closer it comes to purity, the better its clarity. There is a Diamond Clarity Scale has 6 categories, some of which are divided, for a total of 11 specific grades. • Cut - A diamond`s ...