What are the four Cs for diamond earrings?

The four Cs for diamond earrings are cut, color, clarity and carats. The cut refers to the number of facets and their arrangement, which affect a diamond's shape and sparkle. Color means whether diamonds have a noticeable yellow tint; completely clear diamonds are the rarest. Clarity is whether a diamond has any inclusions or imperfections, and carats describe the weight or size of the diamonds. On 1stDibs, shop a large selection of diamond earrings.