This vintage Black Hills Gold Wedding set is so charming. The lady who wore it had to get a little larger size. This is a snug 4 3/4 size. The rings have been soldered together, it is typical of Black Hills Gold it is 10K gold. (almost all black hills gold is 10K) it is marked on the inside. The diamond is between 1/3 or 1/2C it is 1/4 of an inch across the top from end to end. The ring varies from rose gold to a golden hue. This ring has no green on it. There is a marquis diamond with many different leaves on the three rings. To you from the High Plains of Kansas Black Hills Gold!