Szul takes 65% to 90% off a selection of necklaces, rings, bracelets, and earrings during its May Super Sale. Plus, take an extra $10 off orders of $50 or more via coupon code "SUPER10", $20 off $150 or more via "SUPER20", or $50 off $350 or more via "SUPER50". Better yet, all orders bag free shipping. Deal ends May 31. A couple of best bets: