Stud earrings feature 7mm heart shaped created white opal gemstones. The earrings are crafted of .925 sterling silver, nickle and tarnish free. October Birthstone Gemstone Color Ice Gems Offers Beautiful Gemstone Jewelry! This striking jewelry piece is a dazzling winner, make it memorable! This Jewelry Piece is an Awesome Gift for Birthdays, Anniversaries, Wedding Party, Holiday, Graduation etc. Ice Gems packs each Item in a nice jewelry pouch which creates a lovely packaged gift! These attractive earrings showcase created white opal shaped studs. They are crafted of sterling silver and secured by post with friction backs.