Here is an round cut blue Sapphire. Filled with a regal blue, this gemstone that has an eye clean appearance is what adds value. Blue sapphires are becoming a trending choice for engagement rings and this gem, with ideal proportions of 7.55 x 7.64 x 4.97 mm make it the perfect fit. A gemstone that represents loyalty, the blue Sapphire is the ideal choice for a ring to celebrate a relationship.