HUGE Size 2D Halo & Hidden Halo Design Ring, with 3 Rows of Gemstones on the band; The Center Gemstone is 9 Carat Blue Sapphire (Synthetic) Gemstone, including 3 Carat Sapphire Gemstones on the sides; Giving a total of 12 Carat. This Ring is Certified by a Third Party Gemological institute