Is this diamond worth it? The diamond is on the cheap side with an IGI cert, it is a round 1.30 ct, i1, M color, excellent cut, very good polish, very good symmetry. The measurements are 6.91x 6.95 x 4.37 with a medium to sl. thick (fac) girdle, medium culet, no fluorescent. The total depth 63.1%, table 56%, crown 16%, pavilion 43.5%.