3.37 Asscher Cut Diamond & Sapphire Ring in Platinum3. 37 Asscher Cut Diamond Sapphire Ring in Platinum. This modern engagement ring features 3. 65 carats of diamonds and 1. 20 carats of blue sapphires finished in platinum. The center stone is a 3. 37 carat Asscher cut diamond. The diamond has a soft warm hue and signature Asscher cut facets that offer an impressive amount of brilliance. The primary diamond is bezel set and wreathed by sixteen (16) . 075 blue sapphires. The sapphires have a highly