inner diameter : 15.3 mmthickness : 1.3 mmweight : 3.39 gr 18 ky - 3.23 gr 18 kw.The width of the front part of the ring: 7mmThe width of the back part of the ring : 1.3 mmthere are 8 dimonds with diameter of 1.5 mm in brilliant cut.Join me to place your orders with your own sizes and modificationslinkedin ID : http://www.linkedin.com/in/forough-peivandi-502266303