Snowflake-Like Earrings. These snowflake-like earrings feature tight clusters of glittering round cut cubic zirconia stones that are prong set. Sexy earrings have secure post backings. This item is part of our nickel free jewelry collection! For more information, or to shop all of our nickel free jewelry items, check out our nickel free jewelry section! Metal: Silver tone jewelry. Stone: Cubic zirconia. Weight: Approx .03 carat each stone. Setting: Prong set. Earrings: Pierced. FYI: .