LOS ANGELES — Everyone from bidders to Bravo fans checked in on John Moran’s December 7 Fine Jewelry & Timepieces sale to see the diamond stud earrings once owned by The Real Housewives of Beverly Hills star Erika Jayne Girardi. While they were the definite stars of the show, there was also major interest in the more than 170 other treasures on offer, which included a Friedrich basketweave diamond ring, a tanzanite and diamond ring. and also gold wristwatches by Cartier and Patek Philippe.