When you ask her to be yours, let the vibrant color and sparkle in this round blue aquamarine and diamond tiered collar engagement ring speak for you. Crafted in 14k white gold this choice glistens with a 7. 0mm icy-blue aquamarine. The tiered collars sparkle with a pair of 1/15 ct. And smaller baguette-cut diamonds. Round diamonds line the shank to complete this 1/4 ct. T. W. Diamond design.