Ray-Ban Sunglasses | Rayban RB3429 | SIGNET from £85 - Buy with confidence from Authorised Rayban Retailer. The Ray-Ban RB 3429 is a metal designer sunglass. The RB3429 has a full rim off round classic Ray Ban look, with double bridge, and is available in 7 colours, and two sizes. The Ray Ban RB3429 comes complete with Ray-Ban case and cloth.