Grey Crystal Gem Silver Stud Earrings: BRAND NEW BOUTIQUE ITEM. Crystal gems in acrylic settings with standard posts and push on backs. Lightweight and super comfortable for long wear! 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 items sold to date! Affordable, party, night out, bridal, prom, gift, bling earrings!.