The white gold ring has a partial 14k mark and was tested to be solid 14k white gold. It weighs 5.1 grams. The top of the ring measures 1/2" from North to South. It was made in the 1960s. Set in the center is a VS2  I color emerald cut natural diamond. The diamond measures 5.7 x 4.3 x 2.8 mm which makes it approx .55 cts. There is a small emerald cut on each side of the center stone. The 2 side diamonds have an approx weight of .10 cts. The ring wears to a size 7 and can be resized by your local jeweler.