.28 Art Deco Diamond Halo Engagement Ring in Yellow Gold Platinum.  This Art Deco engagement ring features a glittering .28 carat Old European Cut diamond finished in 14k yellow gold and platinum. The center diamond is bezel set and accented by .26 carats of accent diamonds. Thirteen (13) .02 carat diamonds are mounted in an elevated position haloing around the center stone. From the profile, the gallery features a platinum Art Deco crown basket mounting on a tapered 14k yellow gold band. The total diamond weight of this engagement ring is .54 carats on a 14k yellow gold shank finished in a high polish.