By Erika Winters
CAD rendering of Natural Sapphire Company's baby rattle for Princess Charlotte
On Saturday May 2, the world watched when royal couple William and Catherine emerged from London's St. Mary's hospital with their new baby girl, Princess Charlotte. And now people all over the world are sending gifts to the newborn, who is fourth in line to the British throne. The Natural Sapphire Company plans to join in the royal gifting with a baby rattle valued at $45,000.