4Cs means Color/ Cut/ Clarity / Carat.
I have asked which 4Cs is the ranking in diamond at most shops of Chau Tai Fuk/ Chau Snag Sang. All sales person has different ranking. Some said is the Color/Cut/Clarity/Carat, and other said is Cut/Color/Clarity/Carat. Do you have a ranking? Please share, so I can have a reference in the futur, thanks a lot.