What metaphors are used in Miss Julia Strikes Back by Ann B. Ross?

Diamond Ring/ Jewelry is a metaphor for intrigue and mystery. The entire plot of the novel centers around first, the disappearance of Julia's Princess Diana replica engagement ring, then much more jewelry belonging to Hazel Marie and Mildred Allen, among others. Julia takes matters into her own hands by pursuing the jewel thieves to Florida. Eventually, she finds many of the stolen jewels, including her engagement ring. She assures Lloyd that one should never place undue importance on material possessions. However, the sentimental nature of her connection to the ring gives it much importance to her. She rejoices greatly when it is returned.