George Sotter painting sells for $60K at Alderfer AuctionHATFIELD, Pa. – The line saying that a diamond is a girl’s best friend, although cliché, was proven true when a stunning 2.22-carat round brilliant cut diamond solitaire ring set in 14K white gold sold for $13,800 at Alderfer Auction’s sale Aug. 12-13. Absentee and Internet live bidding was available through LiveAuctioneers.