925 solid sterling Silver zircone ston Blue Sapphire color ( Not natural Sapphire )( Not hallow or paledt ring) The ring top part 10 mm (0,39") down part 4 mm (0,15") weight around 4 gram Ring has a hallmark of 925 (which means Sterling Silver) Avalaible size 4 to 15 included half sizes The ring come to you assembled, you can seperate and get back tohether ( please watch youtube video #OFLIUMi m Puzzle ring master, i make products my own workshop i keep all size my stock