https://www.youtube.com/watch?v=CtQ49c6wnB8

What's the Diamond Cut? There are a few different antique gemstone cuts that are common in the antique engagement bands. If the seller says a band from 1910 has a round brilliant cut diamond in it, this is an indicator that the diamond has been changed. If an engagement ring from the 1940's comes with an old European cut gemstone in it, You can find advantages and disadvantages to presenting a modern or antique gemstone in your ring, and a whole lot depends on your individual taste.