Sapphire Halo Vintage style engagement ring custom made in platinum and featuring a round brilliant cut diamond center weighing 1.51 carats combined total weight with E color and SI2 clarity (GIA certified) and accented by a blue sapphire cabochon cut halo weighing 0.85 carats combined total weight, and pave set diamonds weighing 0.10 carats combined total weight with F-G color and VS clarity.