How Much Is 1 Pearl Worth How Much Is My Pearl Worth?

How much is my pearl worth? - how much is 1 pearl worth

I was from Orlando, Florida, Epcot and when I do I choose a pearl in Japan around the world. When the woman measured my pearl is 7 1 / 2. the average size is 6 1 / 2. I thought if I for some money that he put on a chain you could get. How much is it?