Uma Thurman's dress had over 3,000 white pearls sewn to it ... It continues doing this, and the irritant grows into a shiny pearl. Cultured pearls are formed by the same process, but instead ...

These are all white pearls, but the shade of white can ... But it's hard to tell how shiny a pearl is unless you have other pearls to compare it to. That's why Tom and the rest of the Gemological ...