Eternity Wedding Band Modern .42 Round Brilliant Cut Diamonds in 18k White Gold. This beautiful Modern wedding ring has forty two (42) brilliant cut diamonds covering the entire length of the band. The diamonds total .42 carat in weight and are set in 18k white gold. The white metal prongs blend nicely with the stones making the sparkling diamonds the focus of the ring. This eternity band is on the thinner side at 1.43 millimeter in width. It would make a great companion to an engagement ring and would work with any ring stack.