Great Gatsby Headdress from MataHarisDaughter on Etsy. This piece is sold out but the site has so many beautiful headdresses and fascinators for a truly unique bridal headpiece AND they'll create something custom :)
DIY Great Gatsby Pearl Bracelet Applique and Ring Combination Tutorial from M&J. A great place to find less expensive appliques is in the bridal section of fabric and craft stores. My first clothing splurge was on an authentic peacock motif.