Unlock the key to her heart on Valentine's Day with this beautiful sterling silver heart-shaped padlock pendant necklace. It comes on a chain in the length of your choice from 16 to 22 inches and is the perfect way to show off your romantic side this year. Measuring 1.8 x 1 x 0.2cm, this dainty little pendant weighs around 3 grams. For more choice of heart-shaped jewellery that's perfect for Valentine's Day, check out our full selection.