Keep what matters close to your heart. Handcrafted 18K yellow gold treasure box locket with 0.28 cttw G-H/SI diamonds, 1.4 cttw pink sapphire, and 13 ct onyx on 20 inches rolo chain. The locket opens with a mini star key (included) or the Lock & Key Gold Key or the Lock & Key Baguette Key (sold separately). Layer & wear them together or share with a loved one.