Jimmy Fallon treasures a bracelet Emma Stone made for him during the Covid pandemic. The chat show host, 49, revealed the actress, 35, gave him the homemade gift in the global lockdowns – and showed off the jewellery as she returned for another guest appearance on ‘The Tonight Show Starring Jimmy Fallon’. While displaying the present to the audience, he pointed out how it was made with plastic letter beads spelling out the jokey message: “BRACELET FOR JIMMY.” It features green heart beads as well as green, yellow and orange circular ones, and a single blue bead. Emma told how she started makin…