This ring is marked 10k and is solid yellow gold. It weighs 2.5 grams. Set across the top are three oval blue natural sapphires. The center stone is approx .50 cts. The two side stones has an approx total weight of .66 cts. There is also a round small natural diamond set to the North and South of the center stone. The ring wears to a size 10 and can be resized. The ring is in nice condition.