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

https://spark-wiki.win/index.php/Grading_Report_vs_Appraisal_for_a_Diamond_Ring:_What_Is_the_Difference%3F

Before buying a diamond ring, know what to look for so you get the best value. Learn how the Four Cs affect quality, why checking the GIA grading report number matters, and how carat weight compares to the ring’s actual size