The square blush champagne & crystal clear glass gems are 9mm with 3mm thickness. The blush champagne glass gems are 13mm by 17mm. All of the gems are 16k gold plated. The earwires are 14k gold filled. Simply stunning earrings! Perfect for your bridesmaids or to give as a gift for a friend,all of my items include a gift box for easy gift-giving for your friends or for yourself!