- Custom made Platinum genuine Diamond and Sapphire halo ring made by our jeweler. This ring contains one major G.I.A. certified Round Brilliant Cut Diamond which has a weight of 2.82 carats, and which is set in the center of the ring into 4 prongs. This diamond has a color grade of G, and a clarity grade of SI2, as described in G.I.A. certificate #1172315687. This diamond has very good cut, very good polish, and very good symmetry. This diamond has no fluorescence. This ring is further enhanced by .51 Cttw of genuine round & baguette Sapphires, which are set in an octagonal shaped halo around the major diamond. These Sapphires have light to medium blue color. This ring is further enhanced by 10 smaller genuine Round Brilliant Cut diamonds, which are shared prong set 5 to either side of the major stone. In all, these 10 diamonds have a total combined weight of .81 Cttw. These diamonds average G-H in color and SI1 in clarity. These diamonds are nicely proportioned and well finished. This ring has an entire weight of 8.4 grams. This ring is a finger size 5 1/2, but it can be reasonably sized at no charge. Please make note of the finger size needed in the comments section at checkout. This ring is accompanied by a G.I.A. certificate and an insurance appraisal.