Rare yellow gem goes for record price
(NEWSER) - A dazzling 110-carat yellow diamond has fetched $12.3 million at a Sotheby's auction, a record for a diamond of its kind, and the eighth-highest price ever paid for a diamond. The gem, named the Sun-Drop, was found in South Africa last year and given the "fancy, vivid yellow" grading, the highest possible for its color, the BBC reports. The gem's color is caused by nitrogen that became trapped in carbon molecules and hardened over millions of years. More»