This is a classic claw & pave set ring in a UK finger size M and a US finger size 6 1/4.The centre setting is made to fit a 6.5mm round stone and the smalls are 16 x 1.3mm (8 per side) The print volume is 351mm and the estimated weights are: Silver: 3.50gr9K Gold: 4.20gr14K Gold: 4.50gr18K Gold: 5.60grPlatinum: 7.70gr