Radiant Cut Diamond & Sapphire Halo Engagement RingRadiant Cut Diamond Sapphire Halo Engagement Ring. This modern platinum, diamond and sapphire ring features a 1. 23 carat radiant cut diamond at the center. The cut cornered Radiant is surround by an entail sapphire bezel creating a halo with french cut sapphires. The second bezel features round brilliant diamonds bead set into the platinum ring. The double bezel offers a bold impact yet still offers a low profile construction. The total side sapphire