0.5 Carat Natural Diamond Twist Ribbon Ring1 2 Carat ct. tw Ribbon Round Brilliant Cut Diamond Ring in 14k White Gold A petite 0. 40 carat round diamond sits at the top of this twisted ribbon bypass design in solid 14 karat white gold. Mirroring the weave of diamond studs is a weave of smooth flat white gold creating an ultimate double twist design. The asymmetric construction is completed with a smooth continuous silhouette as the left and right widths of the ring match each other in equal