Sterling Silver Cubic Zirconia Earrings Studs 4 mm Round Invisible Cut.5 carats/pair Excellent Quality Brilliant CZ Stones Excellent Quality US Made Sterling Silver Settings Free Shipping Sterling Silver is Naturally Hypoallergenic, ... TO AVOID POSSIBLE IRRITATION. PLEASE THOROUGHLY CLEAN ANY EARRING, ESPECIALLY THE STEM, BEFORE WEARING THEM FOR THE FIRST TIME. We recommend cleaning, EVERYTIME, before wearing earrings. before ordering the 1 cent earrings from other vendors, it's wise to consider their shipping costs as well