The Birth of the 4Cs of Diamonds
When choosing a diamond, one standard rises above all others: the 4Cs — Cut, Color, Clarity, and Carat Weight. But where did these essential grading terms come from?
Difference between Colombia and Zambia emerald
When choosing a diamond, one standard rises above all others: the 4Cs — Cut, Color, Clarity, and Carat Weight. But where did these essential grading terms come from?