This spectacular old mine cut lab diamond engagement ring leaves nothing to the imagination with its unique design. The stunning old mine cut lab diamond in the center is 1.40ct. It faces up colorless and the cut is full and brilliant. The surface area looks astonishingly large for a 1.40ct due to it's incredible measurements of 7.23 x 6.22 mm! From the side view, the shank design is accented with sparkling round brilliant cut lab diamonds going down past halfway for a dazzling look. This beauty is sure to set her apart from all the others!