Engagement Ring Modern 1.50 Round Brilliant Cut Diamond & .66 French Cut Sapphires in PlatinumThis Modern Era, engagement ring gives you that something blue you need for your wedding day forever. A 1. 50 carat round brilliant cut is bezel set in the center and surrounded by a halo of channel set French cut sapphires weighing . 66 carats total. Cast in Platinum, round brilliant cut diamonds run along the side and are set into beautiful filigree detailing along the profile of the ring.