Well silver is a commodity, which means the price of silver changes. Below, I have put a website with the currant price of silver, good luck, hope you strike it rich....
cost=3.29for5 grams
USD$17.48/oz.
Assuming you're talking about prices, an ounce of silver is selling for about $17.70. So a gram would be about 65 cents.
Silver is $0.56 per gram as of May 20, 2010.