Early 20th Century Platinum Three Stone Ring with Old Mine Cut Diamonds

This is a Turn-of-the-Century flush-set old mine-cut diamond three-stone ring in platinum. The center is an approximate 1.00-carat old mine-cut diamond, I/J color, and SI1 clarity. The side diamonds are approximately .75 carats each, I/J color, and SI1/SI2 clarity.  Approximate total diamond weight is 2.5 carats. English in origin. Circa 1920. 

Size 6, can be resized.