As stewards of a 95-year-old legacy, the Runyans value deals, diamonds—and droll good timesSteve Runyan’s father didn’t believe in doling out allowances to his kids. “He’d say, ‘If you want money, you can come down to the store and work,’?” says Steve, the third-generation owner of his family’s Vancouver, Wash.–based jewelry store (now called Erik Runyan Jewelers after Steve’s son, the shop’s current owner). Erik, a computer whiz who majored in chemistry in college, helms the store’s day-to-day operations, while his wife, Leslie, acts as co-owner and manager. And a fi