.53 Diamond Ring Enhancer in 14k White Gold. 53 Diamond Ring Enhancer in 14k White Gold. This modern ring enhancer features . 53 carats of Round Brilliant and Princess cut diamonds finished in 14 karat white gold. Two (2) . 20 carat Princess cut and two (2) . 065 carat Round Brilliant cut diamonds flank the open space of the ring. The diamonds are prong set and finished on a polished 14 karat white gold band. This diamond ring enhancer can be worn in addition to a wedding band for added