RAPAPORT Fellows sold a 14-carat diamond ring for more than double its estimate following a bidding war at its auction in Birmingham, UK, last week The emerald-cut, 13.86-carat, H-color, VS2-clarity stone fetched GBP 310,500 against a presale estimate of GBP 100,000 to GBP 150,000, the UK auction house said A diamond-fringe necklace fetched GBP 177,160, while a set of pear-shaped diamond earrings weighing 398 carats and 315 carats sold for GBP 81,664, the highest bid the company has received for a pair of earrings, it said.