--Previous Message-- : I have a question I have been wondering about : for some time. How is the luster of pearls : maintained in a tiara setting? Pearls are : delicate things. As far as I am informed : they should be worn next to the skin : regularly to keep their luster. Queen : Margrethe II informed us in the film about : jewels that her mother wore an ancient pearl : necklace under her clothes for months in : order to restore its luster. How do the : pearls in tiaras keep it ? :