Blue sapphires are a popular choice for engagement rings as an alternative to diamonds. Made famous by Princess Diana's engagement ring, the classic design of an oval shaped royal blue sapphire accentuated with diamonds around it has become timeless. In this ring, we sourced a gorgeous, certified 1.67ct Royal blue oval sapphire, added a proportionate halo of diamonds around it but also added a triangle of diamonds on each side of the band to give it more width and sparkle