Promise me you'll always remember: You're braver than you believe, and stronger than you seem, and smarter than you think.-A. A. Milne. As delicate and sweet as a promise of love, this adorable necklace features a heart, a key and a hand-wrapped rose quartz. Rose quartz is associated with the heart and unconditional love. The stone and charms are presented on a delicate silver-plated ball chain measuring 18".