Displayed windows should be changed every 2-3 weeks to avoid inventory from becoming dated in appearance. This will create interest and increase customer traffic, especially in malls. It is also the accepted anniversary gemstone for the 3rd and 30th years of marriage. A pearl is the product of an oyster's defense mechanism. This forms the exquisite gemstone know as pearl.
Pearls come in a wide range of colors.
They should be relatively free from skin blemishes. The more perfectly round the shape the better. The larger the pearl, the greater the value. Pearls have been recognized as the emblem of modesty, chastity and purity. They have come to symbolize a happy marriage.