Silver w/Blue Crystal Gem Lever Back Earrings: BRAND NEW BOUTIQUE ITEM. Gorgeous, blue crystal gems surrounded by a halo of sparkling clear crystals. Lever backs. Silver alloy, free of lead, nickel and cadmium. Enjoy fast shipping and stellar customer service from a trusted 5-star Posh Ambassador with over 3100 sales to date! Sparkly, bling, gift, party, night out, trendy, inexpensive earrings!.