Retro Two-Toned Diamond Wedding Band in 14kRetro Two Toned Diamond Wedding Band in 14k. This Retro wedding band features . 27 carats of round brilliant cut diamonds and is set in 14 karat white gold with the lower part of the band being 14 karat yellow gold. The diamonds are channel set and are beautifully enhanced by the white gold. The smooth taper away from the widest part at the center would look amazing in a stack of bands or enhancing a lovely engagement ring.