Before buying a diamond ring, knowing the Four Cs—cut, color, clarity, and...

https://quebeck-wiki.win/index.php/How_Do_I_Read_Diamond_Measurements_in_Millimetres%3F

Before buying a diamond ring, knowing the Four Cs—cut, color, clarity, and carat—makes all the difference. Check if the diamond has a GIA grading report number for trusted quality. Also think about the setting and metal to match your style and comfort