Show her she's loved with this heart-topped diamond key necklace. Crafted in sterling silver The heart-shaped bow and the bit shine with round-cut diamonds An open heart of 10K rose gold loops around the top and twists along the stem Total diamond weight is 1/10 carat The adjustable 18-inch cable chain secures with a lobster clasp From the Hallmark Diamonds Moments collection © HMK. LIC.