And when she wants a dressier look, Mbagwu reaches for the 14-karat-gold-filled July studs, which feature a fixed gold ring with a gold bead. She loves how the light hits them in a dramatic way.

Let’s face it, after a while, stock images of rose gold, sterling silver and diamonds all look the same. Well, maybe not diamonds, but you get our point. After consulting with a gemologist to ...