Our sun and moon stud earrings measure 3.5mm in diameter. These earrings are made using 14k solid yellow gold, 14k solid rose gold or sterling silver. This listing is for SINGLE earrings only and each is available with limited letter stamps. The yellow gold is available with letters H or J. The rose gold is available with letters D, L, M and R. Finally, the silver is available with letters K, L and M, only. Materials: 14k gold, 14k rose gold or sterling silver (.925). All materials are hypoallergenic. These stud earrings were designed in Asbury Park and handmade in our Upstate New York production studio. Please note: Metal Madness Sale items don't qualify for discount -- but you can use CMD Bucks on them! All sales are final.