Disenchanted

the long version

"A forbidden love. A dark curse. An impossible choice ... Descended from a powerful Wethersfield witch, sixteen-year-old Sophie is struggling to hide her awkwardly emerging magic, but that's the least of her worries. When a dangerous thief tries to steal her mysterious heirloom necklace, she is rescued by the one person she's forbidden to fall for, a descendant of the man who condemned her ancestor to hang. He carries a dark secret that could destroy them both unless Sophie learns how to tap into the mysterious power of her diamond bloodcharm. She will have to uncover dark secrets from both of their families' wicked pasts and risk everything, including her soul to save them from a witch's true love curse, but it will take much more than that." ... amazon.com.