What is the significance of the casket scene in the "She Stoops to Conquer"?

The casket containing Constance's jewelry?

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The Casket of Miss Constance Neville's Jewels plays an important part in the subplot of She Stoops To Conquer. The Casket episode shapes the course of the Hastings - Neville's love story Hastings love constance deeply. He desire only her person and considers her fortune worthless. He wishes her to run of to French leaving her fortune behind. But she is reluctant to elope without her jewels after the exposure of Hastings plan of elopement. She counts much on fortune as an element of life's happiness. When Hastings prevails upon her to run off. She expresses her determination of follow the dicates of prudence. Tony who is eager to get rid of Neville comes to the help of Hastings. He steals the Casket of jewels from his mother custody and lands it over to Hastings. The discovery of the laws of the the jewels drives Mrs. Hardcastle frenetic and as a result is produced one of the most comical scene in the play........