The birthstone for July is the ruby. A mother's birthstone necklace for July can be purchased from Gemvara or Overstockjeweler. Ruby necklaces can also be purchased from most high street jewellery stores.
That depends on what type of chicken, your geographic location, and the scarcity of chicken in your particular market. In the U.S., currently, July 2012, the average price for chicken is about $1.40 per pound. (That includes skin, bones, and gizzards.)