Best Bet: Rounded Square Ring

Berlin-based jewelry designer Sabrina Dehoff crafts funky and glam costume baubles from 24-karat gold, crystals, and colored cord. But in contrast to some of her more glitzy styles, this ring forgoes the Swarovski for a more subtle appeal. The square band is slightly rounded (so it won't pinch or slide around on your finger) and fitted with three glinting, gold-plated discs. The silhouette is slightly retro, but the all-gold palette looks modern and fresh.

Sabrina Dehoff rounded square ring, $134 at Henrik Vibskov or online.