Retro Brilliant Cut Diamond Engagement Ring in 14k.  This Retro engagement ring features .12 carats of round brilliant cut diamonds set in 14 karat white and yellow gold. The primary stone is prong set in a lovely square shaped mounting, with little grooves bursting out to enhance its sparkle. The shoulders have two (2) accent diamonds on each side, and below this the yellow gold shank completes the two-toned look.