Retro 1940s Diamond Engagement Ring in 14k.  This unique Retro engagement ring features a 1.11 carat round brilliant cut diamond set in 14 karat white and yellow gold. The brilliant diamond is set with four (4) yellow gold prongs above .09 carats of accent diamonds on the slightly raised shoulders. The shank is yellow gold, which provides pretty contrast with the white gold milgrain sections on the shoulders.