This rare old mine cut lab diamond engagement ring features a spectacular antique cushion cut center stone. The old mine cut poised at the center is 1.00ct. This breath-taking stone is set atop a very elegant 18k rose gold band, pavé set round brilliant cut lab diamonds sparkle marvelously in a delicate halo and down the ring shank of this exquisite piece. Timeless and classic this ring is a showstopper.