1. Antique gold-fill locket with monogram on reverse side, $395 at Croghan’s Jewel Box
2. White-gold “Lockit Pendant” with keys, removable padlock, and chain, $2,200 at Louis Vuitton
3. Roberto Coin Granada Collection 18K gold chain and diamond locket pendant with ruby accent, $3,200 locket & $650 chain at Paulo Geiss Jewelers
4. David Yurman sterling-silver sculpted cable locket and chain, $775 locket & $565 chain at REEDS Jewelers
5. 14K gold engraved locket on a box chain, $910 at Skatell’s Jewelers
6. Antique-finished mixed-metal locket with stag detail, $58 at C. Wonder
7. Dodo by Pomellato sterling-silver lock pendant and chain, $575 at Gwynn’s of Mt. Pleasant
