If you’re not part of her tribe of hard-core jewelry worshippers, you will be soonWhen Rihanna was photographed in Barbados a few summers ago, the buzz on celebrity blogs wasn’t about whom she was with (her brother Rajad) or what she was doing (jet-skiing). Rather, it was all about what she was wearing: a delicate, 14k gold chain that wrapped around the singer’s neck, ran down beneath her bikini top, and encircled her taut, tanned belly before heading up her back. Paparazzi shots of the pop singer in the body chain reinforced her wild-child rep while simultaneously buoying the status of the woman who designed the sexy jewelry-as-lingerie ensemble. 14k gold full pavé free-form ruby bezel brick multi-waif ring; $6,625; Jacquie Aiche, Los Angeles; 310-550-7529 ext. 105; jacquieaiche.com Jewelry designer Jacquie Aiche (pronounced aye-EESH) mixes traditional jewelry materials (