Victorian Oval Sapphire Diamond Three Stone Engagement Ring.  This Victorian three stone ring features a .81 carat oval cut sapphire with two (2) .44 carat old European cut diamonds and is set in platinum with a 14 karat yellow gold band. The prong setting done in platinum enhances the white color of the diamonds and provides a gorgeous icy contrast with the sapphire. The yellow gold band completes the neat classic look and this special three stone ring.