3.05 CT Round Brilliant Blue Sapphire and Diamond Halo Three Stone Ring in PlatinumProduct Description: A rich 1. 50 carat natural oval cut blue sapphire takes center stage in this platinum three stone ring, flanked by two round brilliant diamonds totaling approximately 0. 50 carats. All three stones are wrapped in a continuous halo of 90 round brilliant diamonds totaling roughly 1. 00 carat, creating a seamless frame of white sparkle that enhances both the deep blue of the sapphire and the brilliance of the side stones. The