Mariana Silver Plated Petite Round Crystal Post Earrings in Siam Beautiful Mariana earrings, style E-1425. Small circle stud earrings, hand set with faceted, round cut Swarovski Crystals. Matches jewelry with Mariana color 208 "Siam". Contains the following crystal colors: Siam Earrings are .25 inches in width with friction back posts. Silver plated with .925 sterling silver over brass. Handmade in Israel. Nickel free and hypoallergenic. Mariana jewelry has a lifetime unconditional guarantee. Crystal colors may vary depending on the lighting and the angle they are viewed.