What moral lessons in Guy de Maupassant's short story 'The Necklace'?

One moral lesson in "The Necklace" is the dangers of placing too much emphasis on material possessions and social status. The story illustrates how the pursuit of wealth and luxury can lead to unhappiness and regret. Another lesson is about the importance of honesty and accepting responsibility for one's actions, as the characters face the consequences of their choices.