Before buying a diamond ring, it helps to know what to look for so you get the...

https://fun-wiki.win/index.php/Does_Diamond_Fluorescence_Matter_When_Buying_a_Ring%3F

Before buying a diamond ring, it helps to know what to look for so you get the best value. Check the Four Cs—cut, color, clarity, and carat—to understand quality and size. Look for a GIA grading report number to verify authenticity