Thinking of buying a diamond ring? It pays to check the Four Cs to understand...

https://source-wiki.win/index.php/Yellow_Gold_vs_Platinum_Engagement_Ring:_Pros_and_Cons_Explained

Thinking of buying a diamond ring? It pays to check the Four Cs to understand quality and value. Don’t forget to ask for the GIA grading report number to verify the diamond’s authenticity