Antique Edwardian Ring

Antique Edwardian Period Circa 1900 dinner ring with 1 = .25 carat old mine cut center diamond with H color and I1 clarity.  Six other old mine cut diamonds = .36 carats with H color and I1 clarity.  Also 26 = .40 carats rose cut diamonds. 
Total diamond weight is 1.01 carats.  The diamonds are mounted in a platiinum top with an 18 karat yellow gold base and shank.