RAPAPORT... Petra Diamonds has unearthed a white diamond weighing 209.9carats at its Cullinan mine in South Africa. The D-color, type II, gem-quality stone is the fourth over100 carats the miner has recovered this year, and the third since the beginningof March, it said last week. Those included a 425.10-carat stone,which it named The Legacy, and a 100.83-carat diamond. Petra will sell its latest discovery during its fourth fiscalquarter, ending June 30, along with The Legacy. The company's share price rose nearly 4% Thursday followingthe announcement. Image: The 209.9-carat stone. (Petra Diamonds)