Platinum and 18ct Yellow Gold Tower RingFor a lover of straight lines and geometric shapes, this ring is made with Platinum with 18ct Yellow Gold halo accent set with certified 1. 74ct L VS1 round brilliant cut diamond in the centre. The round diamond is surrounded by a square cushion shaped halo of 56 round diamonds weighing a total of 0. 42ct. There are a total of 26 exquisite baguette cut diamonds set around the yellow gold halo and graduating partway down the band weighing a total of 2.