Stone is 9.5mm
*Jewelry is lead and nickel free.
*handmade after purchased.
*Please allow 2-5 business days to ship out.
*We recommend not showering or swimming in our jewelry.
*Please leave note to let us if these are gifts
*All the orders are shipped first class with tracking.
*We do not do refunds or exchanges but please If you have any questions/concerns please email our customer service at email@example.com