1910 Sapphire Diamond Three Stone Ring

A platinum, sapphire and diamond ring, circa 1910. The ring centers a cushion cut color change sapphire measuring approximately 7.73 x 6.74 mm  flanked by four single cut diamonds and two old mine cut diamonds weighing approximately 1.13 and 1.12 carats, above an openwork gallery.  Total diamond weight approximately 2.32 carats.  Size approximately 4 1/2.  Gross weight approximately 5.20 grams.