Juliet cap

A Juliet cap is a small open-work crocheted or mesh cap, often decorated with pearls, beads, or jewels, and chiefly worn with evening gowns or as bridal wear. The cap is named after the heroine of Shakespeare's "Romeo and Juliet", who is sometimes portrayed wearing one.
An article in "Every Woman's Encyclopaedia" (London, 1910) suggested: