Stud earrings feature 6mm round simulated aquamarine gemstone set in a crown setting. Made of .925 sterling silver. March 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!