1.45 Asscher Cut Diamond & Sapphire Ring in Platinum1. 45 Asscher Cut Diamond Sapphire Ring in Platinum. This stylish engagement ring features 3. 24 carats of diamonds and . 53 carats of blue sapphires finished in platinum. The center stone is a 1. 45 carat Asscher cut diamond. With its square shaped facets creating a hall of mirrors effect, the brilliant center diamond is near colorless and accented by ten (10) . 05 carat blue sapphires. The blue sapphires have a bright, royal blue hue and are bezel