A full-service jeweler, Powell Jewelry has been family owned and operated since opening its doors in 1932. Elegant silver chains ($100+) are ideal for draping around naked necks, and conversation-starting designer iPhone cases ($37) boost the flagging self-esteem of older-model smartphones. Outfit lonely, isolated ears with a pair of diamond earrings ($70+) or gemstone solitaire earrings ($19.99+). An assortment of diamond pendants ($79.95+) further showcase the charms of the world's hardest gem. Powell also provides a handy online information section that gives buyers tips on jewelry care, birthstones, and the four Cs of diamonds: cut, color, carat, and crepe, the exchange rate of the gem to thin, french pancakes.