(Vancouver, WA)  --  A woman who tried to sell a diamond ring online says the supposed "buyer" handed her fake money, took the ring, and fled.  Stacy Bone says the incident happened at Vancouver Mall.  She tells KOIN-TV the man who posed as the buyer snatched the jewelry after handing her 35-thousand dollars in bogus bills, jumped in a white Ford Taurus a woman was driving, and sped off.  Police are studying surveillance video to try to identify the culprit.