From the Hot Diamonds Love Luck and Happiness Collection. A miniature book locket to hold the secret of your heart. A miniature book locket to hold the secret of your heart. ◊ Each Hot Diamonds Charm is created with 925 sterling silver, hand finished, and plated with rhodium for a bright finish.◊ Each Hot Diamonds Charm features a lobster claw clasp which allows easy attachment to a charm bracelet or necklace.◊ The Hot Diamonds Charms collection features over 100 unique styles to choose from.