Late Victorian Ring with Early Rose Cut Diamond

Late Victorian Ring with Early Rose Cut Diamond.  Platinum and gold setting with pierced basket center mount.  The diamond measures 6.8 to 7.4 mm in diameter.  This diamond has a tall dome which is not seen on most modern rose cuts.  Estimated diamond weight 0.90 carats with diameter of a 1.50 carat brilliant diamond.  Approximate K in color and VS in clarity.  Open back setting great for an engagement ring.  Size 6.25