Diamond demand is high, but supply is lowThe U.S. gemstone market is in the midst of active trading. Diamonds continue to be strong, with some dealers questioning whether current prices are sustainable. More dealers are reporting resistance to prices in the finer-quality rounds. However, supply is still short in many categories and consumption remains strong in overseas markets; therefore, there is no reason to expect the trend toward higher prices to ease. The Rapaport Group estimates that average DTC rough prices have increased 35 percent during the first six months of this year. Polished pr