The Moonstone - Wilkie Collins - Bookniverse

At the heart of The Moonstone is the story of a young heiress named Rachel Verinder, who receives the dazzling diamond as a birthday gift from her uncle. The diamond, known as the Moonstone has a dark history. On the night of Rachel's birthday party, the diamond mysteriously disappears, and chaos ensues. Who could have taken it? The Moonstone is not just a mystery; it's an adventure that keeps you guessing until the very last moment.