.50CTW DIAMOND ENGAGEMENT RING: 14k white gold engagement ring set with a round brilliant cut diamond of approx. .40ct, SI1 in clarity and I in color. Accented by four round single cut diamonds approx. .10CTW, VS in clarity and H in color. Center diamond in square illusion head. Small diamonds are prong set. Sizing cleats inside of shank. Size 5 1/2., 2.7 grams, circa 1950's.