18K, 6.4 ct natural Aqua Marine cushion cut, 2.00 ct round diamond ring

18K, 6.4 ct natural Aqua Marine cushion cut, 2.00 ct round diamond ring, aqua measures 13.6mm x 11.1 x 7.3, 2.00 ct tw round diamonds, F/G/vs2, can be sized, please note finger size