What are the 4 C's of diamonds? How do diamond ratings work? And what's a GIA report, anyway? Read on for answers! 
about The Ultimate Guide to Diamond Ratings and the 4 Cs
GIA
Footer
What are the 4 C's of diamonds? How do diamond ratings work? And what's a GIA report, anyway? Read on for answers! about The Ultimate Guide to Diamond Ratings and the 4 Cs