An ornate off-the-shoulder neckline is the head-turning element of this diamond white crystal-beaded gown, price upon request, by Michelle Roth Vintage. Diamante earrings, $450, from Carole Tanenbaum Vintage Collection. CZ bracelet, $137, by Giavan. CZ bracelet, $75, by Charles Winston Collections. CZ bracelets, $107–$300 each, all by Giavan. Paste ring (seen throughout), price upon request, from Melody, NYC. CZ ring, $220, by Roxanne Assoulin for R.Dayan.