# The Moonstone — Key Concepts & Themes

> Key concepts in The Moonstone by Wilkie Collins.

- [The stolen diamond](https://www.betterreads.dev/discover/the_moonstone_se/concepts/the-stolen-diamond.md): The Moonstone’s disappearance on Rachel Verinder’s birthday launches multiple narrators hunting truth across class and continent.
- [Appearance vs. reality](https://www.betterreads.dev/discover/the_moonstone_se/concepts/appearance-and-hypocrisy.md): Godfrey Ablewhite’s philanthropy masks theft; Rosanna Spearman’s guilt is misread — Collins exposes respectable surfaces.
- [Gender and agency](https://www.betterreads.dev/discover/the_moonstone_se/concepts/gender-and-agency.md): Rachel’s silence protects Franklin; Rosanna’s desire destroys her — women’s choices drive the mystery as much as Cuff’s clues.
- [Detection and experiment](https://www.betterreads.dev/discover/the_moonstone_se/concepts/detection-and-experiment.md): Sergeant Cuff’s vegetable clues and Ezra Jennings’s opium re-enactment make truth a process, not a revelation.

HTML index: https://www.betterreads.dev/discover/the_moonstone_se/concepts