We’re back for the final week of Cosmopolitan’s Engagement Ring Month, this time with a step-by-step guide to putting a new spin on an old diamond. Whether you’re the lucky owner of a few unCUHT JAHMS ...

Benny Blanco worked with two jewelers to make Selena Gomez’s bespoke marquise diamond engagement ring and fulfill a longtime dream of the singer’s. Gomez’s ring was designed for maximum sparkle, from ...