Diamond accents bow in deference to this vintage engagement ring's aquamarine. The diamonds of this vintage ring slink down the shoulders, allowing the split prong set aquamarine the center stage. A sleek polished band provides an understated backdrop. Details: Vintage. Circa 1940 or later. 14k white gold. Round single cut diamonds; 0.06 carats. Round cut aquamarine; 0.58 carats.