Vintage platinum statement ring, 1.50cts with marquise cut diamonds

Amazing!  Vintage platinum ring with 1.50cts in diamonds.  All the diamonds are old cuts, SI1-2, G-H.  The center diamond is .70cts.  The ring measures 3/4" long and is a size 4 1/4, it can be easily sized.  Awesome ring!  Circa 1920.