Victorian Marquise Diamond Engagement Ring in Platinum Yellow Gold.  This antique Victorian diamond engagement ring features a perfectly proportioned marquise cut diamond set in 14 karat yellow gold.  The simple and refined yellow gold setting features a low profile basket with white gold prongs.  The center diamond is accented by a single cut round diamond bead set on both shoulders.  The 1.27 carat old European cut Marquise cut diamond is GIA certified.