What was the meaning of 'Jewel'? I don't understand. Don't be too long.

Jewel was a French story about a wealthy Paris merchant, Camille de Bourgue, who would do anything to hide his property and the truth in order to obtain more money and power, and eventually fell into the abyss of evil. In the novel, Burg was an extremely greedy and selfish man. He believed in his wealth and status and ignored morality and ethics. In order to cover up the source of his property, he sold the jewelry at a high price through deception and concealment. He also used various means to manipulate others, including using his power and connections to obtain more money and benefits. As time passed, Burg's behavior became more and more unforgivable. He fell into the abyss of sin and was finally punished by the law. Through this character, the novel reflects the various drawbacks and moral decay of capitalist society, and also reveals the complexity and unpredictability of human nature. Jewel was a novel that deeply revealed the dark side of capitalist society and the weakness of human nature, which had a profound impact on later literature and philosophy.