1940s Two-Toned Diamond Wedding Band 14k.  This Retro two-toned wedding band features .09 carats of diamonds set in 14 karat white gold over a band finished in 14 karat yellow gold. The two-toned look as well as the bead setting of the diamonds creates a unique look whose colors can be quite versatile when pairing with various engagement rings. This ring has a classic Retro look that will add depth and sparkle to your engagement ring.