Juggling glasses of white wine and baggies filled with baubles, dozens of women descended on a well-appointed Orange County home this week to trade in their old golden treasures for hefty checks. There were earrings from ex-boyfriends, ring settings with missing stones and chain bracelets from sorority sisters. One woman brought in her husband's wedding ring -- from a previous marriage. Julia Geivet, 39, had hopes of selling an "embarrassing" Italian horn bauble she had owned since eighth grade and a few other small trinkets, which she thought might get her $30. "I figured I'd come get a little money...