Gem :100% Natural emerald Gem size : About 5mmx7mm  Material : Real 925 sterling silver (international standard Silver) Package :Exquisite box  Delivery : within 3 to 10 days after confirm the payment Ring size: Adjustable, the customer can adjust it as your finger  size, generally suitable for US size 5 6 7 8 9. Also can  do fixed size,   must the message your exact size to me.